cetrariaeform 
cetrariaeform (so-tra'ri-o-f6rm), a. [< NL. Ce- 
traria + lj. forma, shape.] Like plants of the 
genus Cetraria. Also cctrarioid. 
cetraric (se-trar'ik), a. [< Cetraria + -!'c.] 
Kelatiug or pertaining to the genus Cetraria; 
existing in or derived from plants of the genus 
Cetraria, as Iceland moss, ('. Mandica ce- 
traric acid, a crystallizable acid constituting the bitter 
principle of the lichen Cetraria. Lindsay. 
cetrarin, cetrarine (se-tra'rin), . [< Cetraria 
+ -in-, -/'<-.] A vegetable substance extract- 
ed by alcohol from several lichens, as Cetraria 
Islandica (Iceland moss) and ,s7i<;/ /iiilmonacea. 
It forms a fine white powder, very bitter to the 
taste. 
cetrarioid (se-tra'ri-oid), a. [< Cetraria + -oid.~\ 
Same as oetrari&fbrm. 
Cettia (set'i-a), . [NL. (Bonaparte, 1838), < 
Cetti, a proper name.] One of the most remark- 
906 
seeds of Schcniocrntlon officinale, a bulbous lilia- 
ceous plant of Mexico and Central America, with 
long grass-like leaves. The seeds have a liitter nc-riil 
taste, arc poisonous to dugs and cats, and have been used 
as a remedy in various complaints. They are now chietly 
used as a source of veratrin. Also xa&m/<7/'/. 
cevadillic (sev-a-dil'ik), a. [< eevadilla + -c.] 
Same as ccri/dic. 
cevadillin, ceyadilline (sev-a-dil'in), . [< cev- 
(iili/lfi + -iii'^, -iiic'*."] An uncrystallizable alka- 
loid (C34H 63 NOg) obtained from eevadilla. 
cevadin, cevadine (sev'a-din), . [As cerad(ic) 
+ -in 2 , -ine z .~\ A crystallizablo alkaloid (C 32 
H4 9 NOg) obtained from eevadilla. 
Ceva's theorem. See theorem. 
cevin, CCVine (se'vin), n. [< cev(adin) + -t2 ( 
-/Hr-.] A decomposition product (C 2 7H43N0 8 ) 
of cevadin. 
ceylanite (se-lan'It), n. [P., = E. ceylonite.~] 
See ceylonite. 
Ceylonese (se-lon-es' or -ez'), a. and n. [< Cey- 
lon, otherwise written Zeylan, F. Ceylan, etc., + 
-ase.] I. a. Of or belonging to Ceylon, a large 
island lying to the south of Hindustan, now a 
colony of Great Britain. 
II. . sing, and /</. An inhabitant or inhabi- 
tants of Ceylon ; specifically, a member or mem- 
bers of the principal native race of Ceylon. See 
Singhalese. 
Also Cingalese, Singhalese, and Sinhalese. 
ceylonite (se-lon'it) ; re. [< Ceylon + -jte 2 .] A 
dark-colored ferruginous variety of spinel from 
Ceylon. Also cnndite, ceylanite, zeylanite. 
Ceylon moss, stone, etc. See the nouns. 
Ceyx (se'iks), n. [NL., < Gr. /c#t>f, also naiir/i;, 
Kai>af, /c#f, a sea-bird, perhaps the tern or gan- 
net. Cf. Cecomorph(e.] In ornitli., a genus of 
Bush-warbler (Ctttia tttli). 
able and anomalous genera of passerine birds, 
having only ten rectrices. There are about 10 Euro- 
pean and Asiatic species, the best-known of which is Cet- 
tia cetti, or Cetti's bush-warbler, found in the countries 
bordering the Mediterranean. Also called Iloreitei, Ho- 
rornifi, Neonitx, llnrbivox, and Uroxphena. 
cetus (se'tus), . [L., < Gr. Ktjrof, any sea-mon- 
ster or large fish, especially a whale; as a con- 
stellation, the Whale. Hence cete?, Cete, Cc- 
tacea, etc.] 1. A whale. 2. [cop.] A southern 
constellation, the Whale, in advance of Orion. 
The Constellation Cetus. From Ptolemy's description. 
It was anciently pictured as some kind of ma- 
rine animal, possibly a seal. 3. [ccyj.] [NL.] 
A genus of whales. Brisxon, 1756. 
cetyl, cetyle (se'til), n. [< L. cetus, a whale (see 
cetus), + -yl.] An alcoholic radical (CjgH^) 
supposed to exist in a series of compounds ob- 
tained from spermaceti and beeswax. 
cetylene (se'ti-len), . Same as cetene. 
cetylic (se-til'ik), a. [< cetyl + -io.] Pertain- 
ing to or containing cetyl : as, cetylic alcohol. 
Ceuthorhynchus (su-tho-ring'kus), n. [NL., ir- 
reg.< Gr. nei'detv, hide, bury (=E./ii(7t 1 ), + plyxof, 
snout.] A genus of rhynchophorous beetles, of 
the family Curculionidce or weevils. The larva; are 
very destructive to the turnip. C. atttrimilw is the turnip- 
seed weevil ; C. cantraetwi, the charlock weevil ; C. pleu- 
rutiffmet, the turnip-gall weevil. Also Ceutorhynchtts. 
ceyadic (se-vad'ik), a. [Abbr. form of ceva- 
dillic, q. v.] 1. Relating or pertaining to eeva- 
dilla. 2. Existing in or derived from eeva- 
dilla: as, cevadic acid Cevadlc acid, a volatile 
fatty acid obtained from Schmioctmlon officinale (Vera- 
trum Sabadilla). It appears in needle-like crystals. Also 
called cfinadillic acid and methylcrotonic acid. 
eevadilla, cebadilla (sev-, seb-a-dil'a), n. [= 
F. c6cadille, < Sp. ceradilla, usually cebadilla, = 
Pg. cevadilha (NL. sabadilla), eevadilla, dim. of 
Sp. cevada, usually cebada, = Pg. cevada = Cat. 
civada = Pr. cicada, barley; < Pg. cei-ar = Sp. 
cebar, feed, < L. cibare, feed, < cibits, food.] The 
Ceyx fnelattura. 
kingfishers, of the family Alcedinidte and sub- 
family Daceloninte, characterized by haviugonly 
three developed toes. The type is C. tridactyla. 
There are several species in India and the East 
Indies. 
cf. [Contr. of L. confer, impv. of conferre, com- 
pare, collate: see confer, collate.] A contrac- 
tion of the Latin confer, compare. 
0. O. An abbreviation (a) of commissary-gen- 
eral, and (b) of consul-general. 
C. g. S. The usual abbreviation of centimeter- 
gram-second (which see, under centimeter') : as, 
the c. g. s. system of physical units. 
Ch. [(1) < ME. ch initial, ch, cell, later tch, medial 
(in earlier ME. never final, being in its origin 
due to a following e or i), < AS. c (orig. or in- 
flexive), followed by vowel e (ir, ea, ea), i, or y, 
the c in such case being usually pron. as a pala- 
talized 1; as in cettster, E. Chester, cist, E. chest, 
did, E. child, wicce, E. witch, hwylc (hwylce), E. 
which, etc. (2) < ME. ch initial, ch, rarely cch 
(or later te/i) m edial (see above), < OF. ch (pron. 
as mod. E. eh, i. e.,tsh, but in mod. F. simply 
sh: see below), < L. c, under conditions like 
those mentioned above. (3) < mod. F. ch, pron. 
sh. (4) < L., etc., ch, < Gr. x, an aspirated form 
of K, L. c, whence the L. spelling ch. (5) Sc., 
var. 0/i, repr. ME. gh, h, g, AS. h, etc., or Gael, 
or other forms of this palatal sound, like G. ch, 
aspirated form of orig. c or k, as in G. krachen 
= AS. cearcian, E. crack, etc. (6) In Skt. Hind., 
etc., see def.] A common English digraph, of 
various origin and pronunciation. In native 
English words it is always pronounced tsh, being a com- 
pound sound consisting of a ( produced at the A-point, 
followed by an xh in intimate union, so that the sound is 
commonly regarded as one, and is in many languages, as 
in Sanskrit, Hindustani, Russian, etc., provided with a 
simple character. In Spanish it is denoted by ch as in 
English, but the symbol is regarded and named (che, pro- 
nounced cha) as a single character in separate alphabeti- 
cal place. Ch = tsh is the surd correlate of j = dzh. <Seej.) 
The digraph ch occurs (1) in words of Anglo-Saxon ori- 
gin, being in such words usually initial, as in child, choose, 
chack 
clicst, etc., but sometimes final, as in each, sucli. vliicli, but 
tln-n usually in the combination tch (see tch); (2) in words 
of old French origin, as in chair, change, cha.-"-, <-t/iiinbiT, 
etc. ; (3) in words of modern French origin, in which it has 
the modern French sound, *A, a.s in chaixi', champagne, and 
in some of older French origin, with original C/I-SOUIM!, as- 
similated U> modern t<h, as in ehampmffn, chintlni, etc. ; 
(4) in words of (jreek origin, representing the (ireek x, as 
in chorus, r/iiilf, etc., being in older words of this origin of- 
ten a modern substitution for Middle English, Old French, 
Middle Latin, etc.,cort, tainCliri*t!an,chamete<m, chanio- 
milf, rili-liemii, ch\rurgeon,etc. ; (f) in Scotch words, as Inch, 
in which the ch is :i guttural spirant or fricative uttrn il 
through the narrowed throat, like theCierman ch in ilocli, 
arh, etc.; ((!) in words of .Sanskrit, Hindustani, etc., ori- 
gin, in which ch has the same sound as in English. So in 
words of Spanish and Portuguese origin, as chinch, chin- 
chilla, and in Russian and other Slavic words, in which 
tile spelling tch, tnh, or (as in German) Inch is often em- 
ployed for the single original Ilussiau or Slavic character. 
Src oarfMiotion. 
ch. An abbreviation (a) of chapter, and (b) of 
church. 
C. H. An abbreviation (a) of court-house, very 
common in the southern United States, and as 
far north as southern Pennsylvania, as a part 
of town-names : as, Spottsylvania C. H. ; and 
(l>) of ciistom-lioiim: 
cha (chii), n. [Chinese ch'a, ts'a, etc., tea: see 
tea.] The Chinese word for tea Cha sze, a tea- 
expert; a tea-taster. 
chabasie (kab'a-si), n. Same as chabazite. 
chabazite, chabasite (kab'a-zit, -sit), . [< Gr. 
xa,ia^iof, one of twenty species of stones men- 
tioned in the poem lit pi IMuv ("About stones"), 
ascribed to Orpheus (Webster's Diet. ).] A min- 
eral of the zeolite group which occurs in rhom- 
bohedral crystals of a white or flesh-red color. 
It is a hydrous silicate of aluminium, calcium, and sodium. 
A reddish variety from Nova Scotia is called acadialite; 
a yellowish variety from the neighborhood of Baltimore, 
Maryland, has been called haydettite. 
Chablis (sha-ble'), n. A dry white French 
wine of excellent quality, taking its name from 
the town of Chablis, near Auxerre, in the de- 
partment of Yonne. 
chabouk. chabuk (cha-buk') [Also written 
cliawbuck, repr. Hind, chabuk, a whip.] A long 
whip ; specifically, the whip used in the East for 
inflicting corporal punishment. 
Drag forward that Fakir, and cut his robe into tatters 
on his back with your chabouk. 
Scott, Surgeon's Daughter, xiv. 
Chaca (ka'ka), n. [NL., from native E. Ind. 
name.] 1. The typical genus of the family 
Chacidw. 2. [_l. c.] A fish of this genus. Also 
chaka. 
chacet, v. and . A former spelling of chase. 
chachalaca (cha-chii-la'ka), . [Imitative of 
the bird's cry.] The Texan guan. Ortnlis vetula 
maccalli ; a gallinaceous bird of the family ( 'ra- 
cid<E and subfamily Penelojnna; the only rep- 
resentative of the family in the United States. 
It is 23 inches long and 26 in extent of wings, of a dark- 
olive color, brightening to lustrous green on the tail, and 
changing to plumbeous on the head ; the lower parts are 
of a dingy, undefinable color. It is easily domesticated, 
and is said to be sometimes used as a game-fowl. It in- 
habits the valley of the Rio Grande and thence southward. 
The name is variously spelled, the orthography here given 
being the usual one. 
chacid (ka'sid), n. A fish of the family Chacida. 
Chacidae (ka'si-de), . pi. [NL., < Chaca + 
-idee.'] A family of nematognathous fishes, typi- 
fied by the genus Chaca. The head and front of the 
body are much depressed : the true dorsal fin is short and 
anterior ; the adipose is replaced by a rayed dorsal, which 
is confluent with the caudal ; the true anal is short, and 
there is a second anal corresponding to the second dorsal 
and also confluent with the caudal ; each pectoral flu has 
a strong spine, and the ventrals are moderately far back. 
The family is represented by an Indian fresh-water fish, 
CAnca lophioidei. By most ichthyologists the species is re- 
ferred to the family Siluridce, and variously regarded as 
representative of a subfamily (Chacinte), a group (Chacina), 
or a cohort (Chacini). 
Chacina (ka-si'nii), n. pi. [NL., < Chaca + 
-ia 2 .] In Giinthers system of classification, 
a group of Silurida; homaloptera; haying the 
gill-membranes confluent with the skin of the 
broad isthmus, the dorsal and anal fins divided 
into two portions, the anterior portion of the 
former with a strong spine, the posterior and 
the anal united with the caudal, and the ven- 
trals six-rayed. The group is the same as the 
family Chacidce. 
Chacinae (ka-sl'ne), n. j)l. [NL., < Chaca + 
-ina.'.'] The 'Chacidai considered as a subfamily 
of Siliiridte : same as Chacida: 
Chacini (ka-sl'ni), n.pl. [NL., < Chaca + -i.] 
In Bleeker's system of classification, a cohort 
of the family Silurida; : same as Chacidtc. 
chack 1 (chak), v. t. [Sc.; cf. chocl^, chuck 3 , and 
check 1 , v.~\ 1 . To bruise, nip, or pinch by jamming 
or squeezing accidentally: as, to chack one's 
finger in shutting a door. 2. To cut by a sud- 
