TRISETUM 



332 



TUBERACEJE 



ttctio, cutting.] Division into three equal 

 portions. 



Trisetum, (tri-sS'tum). [L. tri, three; xtum, 

 bristle.] Yellow oat: a variety of the oat. 



Tristearin, (tri-sttfrin). [Tri and Stearin, q.v.] 

 = Natural stearin. 



Tristichous, (tris'ti-kus). [Ok. trtin, three; 

 stichoi, row. )=Three- ranked; in three rows. 



Tnticum, (trit'i-kum). (The Latin name.]= 

 Wheat: a grass-plant belonging to Graniin- 

 aceaj, from the seeds of which wheaten floor 

 is obtained. 



Triton, (tri'ton). [Classical.] L A variety of 

 the newt. 2. A molluscous animal belong- 

 ing to Si phonos tomato. 



Trityl, (tri'til)=Dipropyl. q.v. 



Tritylene, (trl'ti-lOii). (Trityl, j IT l~fjlfs 

 Prupylene: a gaseous hydrocarbon of the Ole- 

 tine serin. 



Tritylia, (trt-tili-a). [Trityl, o..]=sCsH 9 N= 

 Propylamine: an alcoholic base found inbuilt 



Tritylio, (trl-ti'lik). [Trityl, o..J=Propylic: 

 related to propyl. 



Triuridacess. (tfi-0-ri-da'se-e). (Trinris, the 

 typical genus. ]:= Tail-worts: small herbs be- 

 longing to Dictyogens. 



Trochal-disk, (trdkall (Ok. troehot, wheel.] 

 The surface bearing the cilia round the mouth 

 of wheel animalcules. 



Trochaloptera, (trd-ka-lop't{r-a)=Garrulax: a 

 bird, also called Laughing Thrush, found in 

 Hindostan and China. 



Trochanter, (tro-kan't^r). [Ok. trochazo, I 

 turn round.] The projection of bone on the 

 femur, to which the thigh muscles are 

 attached. 



Trochidss, (tro"ki-dc). (Trochns, the typical 

 genus; Ok. eidot, form.] A family of mollus- 

 cous animals belonging to Gasteropoda. 



Trochilidas, ( tro-kil'i-de ). (Trochilus, the 

 typical genus.] Humming-birds, 9.*.: a 

 family of insectivorous birds, remarkable 

 for their small size, brilliant plumage, short 

 feet, and long wings; found chiefly in the 

 tropical parts of America. 



Trochlea, (trok'le-a). (Gk. troehot, pulley.] 

 A bony process, somewhat resembling a 

 pulley in shape. 



Trochloar, (trokle-ar). T. nerve Fourth 

 nerve, v. Nerves. 



Trochoid, (trokoid). (Ok. trofhot, wheel; 

 eidot, form.] The curve described by a point 

 in a wheel rolling on a straight line. 



Troglodytes, (trogad-dits). [Gk. ttvgle, a cave.] 

 1. Gorilla, chimpanzee, Ac.: an arboreal, 

 vegetarian ape found in W. Africa. 2. = Wren: 

 an insessorial bird. 



Trogon,(tro'gon). [Gk.tro0o,Ignaw.] A perch- 

 ing, insectivorous bird, known chiefly in S. 

 America and India; has beautiful plumage. 



Trollius, (troni-us)=Globe flower: an herb 

 belonging to Ranunculaceaa. 



Trolly, (trol'li)= Bogie, q.v. 



Trombididae, (trom-bid'i-de). [Trombidium, 

 the typical genus.] = Garden-mites: small 

 spider-like animals, living on plants, belong- 

 ing to Acarina. 



Trompe, (tromp). [F. trombe, water-spout.] 

 An apparatus for blowing : contrived to 



maintain a stream of air at any required 

 pressure, by means of water, which flowing 

 down a tube carries the air with it. 



Trona, (tro'na). A mineral, chiefly ^rfrftMvt 

 of soda. 



Tropsw>lace, (trop--o-la'se-). [Tropieolum, 

 q.v.] A family of plants: trailing herbs, be- 



TropMium, (trop-tfo-lum). [Ok. tropaion, 

 trophy.} Indian cress : an herb, the type of 



Tropic, (trop'ik). v. Tropics. T. 6ird= Phaeton, 



Tropics, (trop'iks). [Ok. tromkot, turning] 

 The hottest portion of the Earth's surface, 

 between 23 J* N. and 23 J 8. latitudes: i.e., a 

 zone 47' wide, having the equator for its 

 central line. 



Trout, (trout). [Trulit, the A.-S. name.) A 

 fish, resembling the salmon, belonging to 

 SalmonidsB, 



Troy, (troy). (Troyes, in France.] T. weight: 

 used for gold and silver, Ac., v. Tables. 



Truffle, (truf fl). (Trvflt, the French name.] 

 = Tuber: an edible fungus, belonging to 



\ ..-. :n\, , 



Trumpet. T. /**=Centri*cus scolopar. T. 

 /MNrvBlfWMU. q.v. T. *w=Cecropis, 



Trumpeter. Mat* 7 l .=Psophia crepiuns. 

 T. ncan = Cygnus buc- 

 cinata. 



Truncated, (trung-ku'ted). 

 ( Trvncatu*. the Latin 

 word.] Cut short; having 

 the apex removed. 



Trunk.(trungk). [Truncv*, 

 the Latin word.] 1. Stem 

 of a tree: body of a verte- 

 brate animal: generally/ 

 the chief portion or main 

 body of any organised Trumpeter. GoUso 

 structure. 2. The pro- 

 boscis of an elephant. T. engine: a steam 

 engine in which the piston and connecting- 

 rod an connected within a tubular piston- 

 rod. T. ./Uft=Ostraciontidie; named from 

 the quadrangular cuirass of ganoid plates. 



Trunnions, (trun'yunz). [F. troanon, stump.] 

 Side projections by which a gun is supported 

 in its carriage. 



Truss, (trus). [Trouue, the French word.] 1. 

 A timber framework, for support, as of a 

 roof. 2. Any system of bars or rods int. ni. .1 

 for support. 3. A pad used for support in 

 cases of rupture. 



Trygon, (tri'gon). [Gk. trygo, I pluck.]= 

 Sting-ray: a tish belonging to Raiidie. 



Tube. Euxtachian T., v. Eustachian tubes. 

 tVenral T., v. Neural tube. T, tc<w;n= 

 Tubicola. q.v. 



Tuber, (tu'ber). [L. tuber, nwelling.] 1.= 

 Truffle, q.v., the type of Tuberacea;. -. A 

 bulbous underground portion of a Bt<'in, 

 the buds of which are called eyes; e.g. , potato, 

 crocus. 



Tuberaceae. ( tu-ber-a'se-C ). [ Tuber, 7. r. ] 

 Truffles: fungi, having rounded tutier-like 

 bodies, usually underground, belonging to 

 Ascomycetes. 



