interlock 
Interlocking system of signals, in railroading, any 
system of devices whereby signals denoting the positions 
of switches at stations, junctions, and bridges are, by 
means of locking mechanism, connected with and con- 
trolled by the switch mechanism, in such manner that 
any movement of the switches operates the proper signal 
to indicate to engine-drivers and others the position in 
which the switch is set. Various systems have been in- 
troduced, and they have added greatly to the safety of 
modern railway traffic. 
II. trans. To lock or clasp together; lock or 
hitch one in another: as, cattle sometimes in- 
terlock their horns. 
My lady with her fingers iuterlock'd. 
Tennyson, Aylmer s Field. 
interlocular (iu-ter-lok'u-liir), a. [< inter- + 
locultis + -ar.] Situated' bet ween loculi; of or 
pertaining to an interloculus. 
The internal cavity of the corallites is divided into a 
series of closed longitudinal chambers or interlocular 
spaces. Seal. Jour., XLIV. 209. 
interloculus (in-ter-lok'u-lus), n. ; pi. interloculi 
(-11). [NL.,< inter- + 'loculus.] A space or 
chamber between any two loculi, as of a coral. 
This matrix usually infills the cups and some of the in- 
terloculi in the specimens. ueol. Jour., XLV. 130. 
interlocution (in"ter-lo-ku'shon). w. [= F. 
interlocution = Sp. interlocution = Pg. interlo- 
cufato = It. interlocuzione, < L. interlocutio(n-), a 
speaking between, < interloqui, speak between, 
interrupt, < inter, between, + loqui, speak: see 
locution.'] 1. Interchange of speech; alternation 
in speaking; dialogue. 
It [rehearsal of the Psalms] Is done by interlocution, and 
with a mutuall returne of sentences from side to side. 
Booker, Eccles. Polity, v. 8 87. 
A good continued speech, without a good speech of in- 
terlocution, shewes slownesse. Bacon, Discourse. 
The Hearer of prayer invites interlocution with man. 
It. Taylor, Nat. HisC Enthusiasm (ed. 1863), p. 47. 
2. Intermediate discussion or argument; in 
law, an intermediate act or decree before final 
decision. 
interlocutor (in-ter-lok'u-tor), n. [= F. inter- 
locuteur = Sp. Pg. interlocutor = It. interlocu- 
tore, < L. as if "interlocutor, < interloqui, speak 
between: seeinterlocution.] 1. One who speaks 
in a dialogue or takes part in a conversation. 
The interlocutors in this dialogue are Socrates and one 
Minos, an Athenian, his acquaintance. 
Bentley, On Phalaris. 
2. In Scots law, a judgment or sentence pro- 
nounced in the course of a suit, but which does 
not finally determine the cause. The term, how- 
ever, in Scotch practice, is applied indiscriminately to 
the judgments or orders of any court of record, whether 
they exhaust the question at issue or not. 
interlocutory (in-ter-lok'u-to-ri), . [= F. in- 
terlocutoire = Sp. Pg. It. interlocutorio, < L. as 
if "interlocutoritis, (. interloqui, speak between : 
see interlocutor.] 1. Consisting in or partak- 
ing of the character of dialogue ; pertaining to, 
characterized by, or participating in conversa- 
tion ; conversational : as, interlocutory instruc- 
tion; an interlocutory encounter. 
There are several interlocutory discourses in the Holy 
Scriptures. Fiddes. 
The recitative consequently is of two kinds, narrative 
and interlocutory. Jaffa, Adam, an Oratorio. 
2. Spoken intermediately ; interjected into the 
main course of speech ; specifically, in law, ut- 
tered or promulgated incidentally ; not deter- 
minative or final in purport: as, an interlocu- 
tory argument ; an interlocutory order, decree, 
or judgment (that is, one relating to a particu- 
lar question or point in a case, but not to the 
final issue). 
It is easy to observe that the judgment here given is not 
final, but merely interlocutory. Blackstone, Com. , III. xxiv. 
The effect of the Governor's eloquence was much dimin- 
ished, however, by the interlocutory remarks of De Herpt 
and a group of his adherents. 
Motley, Dutch Republic, II. 359. 
3. In law, intermediately transacted; taking 
place apart from the main course of a cause. 
The interlocutory hearings before the judges in chambers 
were numerous. 
. J. Hinton, Eng. Radical Leaders, p. 321. 
Interlocutory Injunction. See injunction. inter- 
locutory Judgment or decree, a judgment or decree 
which, though it may determine the substantial rights of 
the parties, yet is preliminary to a further hearing and 
decision on details, or amounts, or other questions involv- 
ing such matters, and necessary to be determined before 
a judgment can be awarded that can be executed or ap- 
pealed from : as, a decree adjudging that plaintiff is en- 
titled to an accounting from defendant, and directing the 
account to be taken, in order that he may have a final de- 
cree for the balance found due. 
interlocutress (in-ter-lok'u-tres), n. [< inter- 
locutor + -ess. Cf. interlocutrice.] A female 
interlocutor. 
For ten minutes Longmore felt a revival of interest in 
his interlocutress. H. James. Jr., Pass. Pilgrim, p. 867. 
3146 
interlocutrice (in-ter-lok'u-tris), n. [= F. in- 
terlocutrice = It. interlocutrice, < L. as if "inter- 
locutrix: see interlocutrix.] An interlocutress. 
Have the goodness to serve her as auditress and inter- 
locutrice. Charlotte Bronte, Jane Eyre, xiv. 
interlocutrix (in-ter-lok'u-triks), (. [As if L., 
fern, of 'interlocutor: see interlocutor.] An in- 
terlocutress. 
interlope (in-ter-16p'), v. i.; pret. and pp. in- 
terloped, ppr. interloping, [(interloper, q. v.] 
1 . To run between parties and intercept the ad- 
vantage that one should gain from the other ; 
traffic without a proper license ; forestall. 
Saints may not trade, but they may interlope. 
Dryden, The Medal, 1. 41. 
The patron is desired to leave off his interloping trade, or 
admit the knights of the industry to their share. Tatter. 
2. To obtrude one's self into a business in which 
one has no right. 
interloper (in'ter-lo-per), n. [< D. enterlooper, 
a coaster, a coasting vessel, hence a smuggler, 
smuggling vessel ( one that runs in and out along 
the coast), < F. entre, between (see enter-finter-), 
+ D. looper (= E. leaper), a runner, < loopen = E. 
leap, run: see leap 1 , lope. IheF. interlope, Sp. 
interlope, an interloper (vessel), interloping, are 
from E.] 1. One who trades without license. 
Whatever privileges are allowed your company at Dort 
will be given by the other towns, either openly or covert- 
ly, to all those interlopers who bring their woollen manu- 
facture directly thither. 
Sir W. Temple, To the Gov. and Comp. of Merchant 
[Adventurers, March 26, 1675. 
2. One who interferes obtrusively or officious- 
ly; one who thrusts himself into a station to 
which he has no claim, or into affairs in which 
he has no interest. 
The untrained man, . . . the interloper as to the pro- 
fessions. I*. Taylor. 
interlucatet (in-ter-lu'kat), v. t. [< L. interlu- 
catus, pp. of interlucare, let the light through (so. 
trees, by cutting away some of the branches), < 
inter, between, + lux(luc-), light: seelight 1 .] To 
admit light through, as by removing branches 
of trees. Cockeram. 
interlucationt (in^ter-lu-ka ' shon), n. [< L. 
interlucatio(n-), , < interlucare: see interlucate.] 
The act of thinning a wood to let in light. 
Evelyn. 
interlucent (in-ter-lu'sent), a. [< L. interlit- 
cen( t-)s, ppr. of interlucere, shine through, be vis- 
ible, < inter, between, + lucere, be light, shine : 
see lucid.] Shining between. 
interlude (in'ter-lud), H. [Formerly also en- 
terlude; < ME. entrelude, < OF. entrelude, < ML. 
interludium, an interlude, < L. inter, between, 
+ ludus, play : see ludicrous.] 1. In dramatic 
art, an intermediate entertainment ; a short in- 
dependent performance introduced on the stage 
between the parts or in the course of the mam 
entertainment; also, any similar by-play or 
episode or incident occurring in other circum- 
stances. 2. In the early English drama, a 
play ; particularly, a play from real life, dis- 
tinguished from the mysteries and moralities. 
They were generally short and coarse. The first plays dis- 
tinctively so called were those of John Heywood, begin- 
ning about 1521, although the name had previously been 
applied occasionally to dramas of any kind, and at an early 
date to the moralities. 
Their new comedies or ciuill enterludes were played in 
open pauilions or tents of linnen cloth or lether, half < dis- 
played that the people might see. 
Puttenham, Arte of Eng. Poesie, p. 29. 
Comedy is the immediate successor of the Interludes, 
which are themselves only a popularized form of the Mo- 
ralities, abstractions having been converted into individ- 
ual types. A. W. Ward, Eng. Dram. Lit., Int., p. xxi. 
The Interlude a short humorous piece, to be acted in 
the midst of the Morality for the amusement of the peo- 
plehad been frequently used, but Heywood isolated it 
from the Morality, and made of it a kind of farce. Out of 
it, we may say, grew English comedy. 
Stopford Brooke, Primer of Eng. Lit., p. 79. 
3. In music, a subordinate passage or compo- 
sition inserted between the principal sections 
of a work or performance. Specifically (o) A short 
instrumental or vocal piece inserted between the acts of 
a drama or an opera; an intermezzo. (6) An instrumental 
passage between the stanzas or the lines of a hymn or 
metrical psalm. 
Interludes are played, in Germany, not between the 
verses of the Choral, but between the separate lines of 
each verse. drove, Diet. Music. 
(c) An Instrumental piece between successive parts of a 
church service. 
interluded (in'ter-lu-ded), . Inserted as an 
interlude ; having interludes, 
interlude!" (in'ter-lu-der), n. One who performs 
in an interlude. [Rare.] 
They make all their scholars play-boys ! Is 't not a fine 
sight to see all our children made interluders > 
B. Jonfon, Staple of News, HI. 2. 
intermaxillary 
Here are a certain company of players ... 
Country comedians, interluders, sir. 
Middleton (and another), Mayor of Queenborough, v. 1. 
interludial (in-ter-lu'di-al), a. [< ML. inter- 
ludium, interlude, + -a/.] Pertaining to or of 
the nature of an interlude. 
At first [comedy was] wholly unregarded as a sphere for 
art uses, then admitted for interludial purposes in a fab- 
rication styled intermezzo, that was played between the 
acts of a serious composition. Encye. Brit,., XVII. 94. 
interluencyt (in-ter-lu'en-si), n. [< L. inter- 
lucn(t-)s, ppr. of interlu'ere, wash under, flow 
between, < inter, between, + luere, wash: see 
lave, lotion.'] A flowing between; interposition 
of water. [Bare.] 
Those parts of Asia and America which are not dls- 
joyned by the inter-luenty of the sea might have been 
formerly in some age of the world contiguous to each 
other. Sir M. Hale, Orig. of Mankind, p. 193. 
interlunar (in-ter-lu'nar), a. [= F. interltt- 
naire = Pg. interlunar /"< L. inter, between, + 
luna, the moon : see lunar.'] Pertaining to the 
moon's monthly interval of invisibility; be- 
tween the periods of moonlight: as, interlunar 
nights. The interlunar cam is the place of seclusion into 
which the moon was anciently supposed to retire at such 
times. 
And silent as the moon, 
When she deserts the night, 
Hid in her vacant interlunar cave. 
Milton, 8. A., 1. 89. 
Prometheus . . . repairs to a certain exquisite inter- 
lunar cave, and there dwells in tranquillity with his be- 
loved Asia. S. Lanier, The English Novel, p. 100. 
interlunaryt (in-ter-lu'na-ri), a. Same as in- 
terlunar. 
If we add the two Egyptian days in every month, the 
interlunary and plenilunary exemptions, eclipses of sun, 
etc. Sir T. Browne, Vulg. Err., iv. 13. 
interlyt, <h-. A Middle English form of en- 
tirely. 
He Idles thiim so that like aman may fele, 
And what thei may interly knowe 
Yf thei were dyme [obscure], 
What the prophettis saide in ther sawe, 
All longis to hym. York Plays, p. 206. 
intermarriage (in-ter-mar'aj), n. [< inter- + 
marriage.] 1. Marriage contracted between 
members of two families, classes, tribes, or 
races; connection or relation by virtue of such 
marriage : as, the estates of the families were 
united by intermarriage. 2. Consanguineous 
marriage; marriage between persons nearly 
related by blood. [Rare.] 
Intermarriage certainly predisposes to disease. 
Quoin, Diet of Med.. p. 884. 
intermarry (in-ter-mar'i), v. i. ; pret. and pp. 
intermarried, ppr. intermarrying. [< inter- + 
marry 1 .'] To become connected by marriage, 
as two families, clans, classes, or tribes. 
About the middle of the fourth century from the build- 
ing of Rome, it was declared lawful for nobles and plebe- 
ians to intermarry. Sivtft, Contests in Athens and Rome. 
As the Gentoo tribe never intermarry, India may prop- 
erly be said to contain four different nations. 
Mickle, Inq. into the Brain in Philosophy. 
intermaxilla (in"ter-mak-sU'a), n, ; pi. inter- 
maxillae (-e). [< inter- + maxilla.'] The inter- 
maxillary or premaxillary bone; the premax- 
illa. See intermaxillary, n. 
intermaxillary (in-ter-mak'si-la-ri), a. and n. 
[< L. inter, between, + maxilla, jaw: see max- 
illary.] I. a. (a) Situated between the max- 
illary or upper jaw-bones : specifically applied 
to the intermaxilla or premaxilla. (6) Of or 
pertaining to the intermaxilla: as, intermaxil- 
lary teeth (that is, in mammals, incisors), (c) 
In Crustacea, situated between those somites 
of the head which bear the maxill : as, the in- 
termaxillary apodeme (which is developed from 
the membrane connecting the two maxillary 
somites). Intermaxillary lobe, in entom., a name 
given by Straus-Durckheim to the maxillary lobe or apex 
of the maxilla. 
II. n. ; pi. intermaxillaries (-riz). 1. The in- 
termaxilla or premaxilla ; one of a pair of bones 
of the upper jaw, situated between or rather 
in front of the maxillary bones, and in relation 
with its fellow of the opposite side. In man It is 
small, and speedily unites with the supram axillary, with 
obliteration of all signs of its previous distinctness. In 
most mammals it is large, permanently distinct, and 
prominent ; and, being usually rather in front of the su- 
perior maxillaries than between them, it is oftener called 
premaxillary. Whatever its size, shape, or situation, it is 
the bone of the upper jaw which bears the incisor teeth, 
when these occur. In birds it is by far the largest and 
principal bone of the upper mandible. It is single and 
median, representing a coalesced pair of bones ; it repre- 
sents that part of the upper jaw which is sheathed in horn, 
and its shape conforms with that of the beak. It has 
usually three prongs, one of which mounts to the fore- 
head, the other two running along the palate. See cuts 
under Anura, Baltenidce, Crotalus, and Gallinoe, 
