Troat (?), v. i. [Either onomatopoetic, or akin to throat.] To cry, as
a buck in rutting time.
Troat, n. The cry of a buck in rutting time.
Tro"car (?), n. [F. trocart (or trois-quarts, i. e., three quarters);
trois three (L. tres) + carre the side of a sword blade; — so called
from its triangular point.] (Surg.) A stylet, usually with a triangular
point, used for exploring tissues or for inserting drainage tubes, as
in dropsy. [Written also trochar.]
Tro*cha"ic (?), n. (Pros.) A trochaic verse or measure. Dryden.
{ Tro*cha"ic (?), Tro*cha"ic*al (?), } a. [L. trochaïcus, Gr. &?; or
&?;. See Trochee.] (Pros.) Of or pertaining to trochees; consisting of
trochees; as, trochaic measure or verse.
Tro"chal (?), a. [From Gr. &?; a wheel.] (Zoöl.) Resembling a wheel.
Trochal disk (Zoöl.), the cephalic disk of a rotifer. It is usually
surrounded by a fringe of cilia.
||Tro*chan"ter (?), n. [NL., fr. Gr. &?;.] 1. (Anat.) One of two
||processes near the head of the femur, the outer being called the
||great trochanter, and the inner the small trochanter.
||
2. (Zoöl.) The third joint of the leg of an insect, or the second when
the trochantine is united with the coxa.
Tro`chan*ter"ic (?), a. (Anat.) Of or pertaining to one or both of the
trochanters.
Tro*chan"tine (?), n. (Zoöl.) The second joint of the leg of an insect,
— often united with the coxa.
Tro"char (?), n. (Surg.) See Trocar.
Tro"che (tr"k), n. [Gr. trocho`s anything round or circular, a wheel,
properly, a runner, fr. tre`chein to run. Cf. Trochee.] (Pharm.) A
medicinal tablet or lozenge; strictly, one of circular form.
<! p. 1543 !>
Tro"chee (?), n. [L. trochaeus, Gr. &?; (sc.&?;), from &?; running,
from &?; to run. Cf. Troche, Truck a wheel.] (Pros.) A foot of two
syllables, the first long and the second short, as in the Latin word
ante, or the first accented and the second unaccented, as in the
English word motion; a choreus.
Tro"chil (?), n. [Cf. F. trochile. See Trochilus.] (Zoöl.) The
crocodile bird.
The crocodile . . . opens his chaps to let the trochil in to pick his
teeth, which gives it the usual feeding.
Sir T. Herbert.
||Troch"i*li (?), n. pl. [NL. See Trochilus.] (Zoöl.) A division of
||birds comprising the humming birds.
||
Tro*chil"ic (?), a. [See Trochilics.] OF or pertaining to rotary
motion; having power to draw out or turn round. "By art trochilic."
Camden.
Tro*chil"ics (?), n. [Gr. &?; the sheaf of a pulley, roller of a
windlass, from &?; to run.] The science of rotary motion, or of wheel
work. Wilkins.
Tro*chil"i*dist (?), n. [See Trochilus.] One who studies, or is versed
in, the nature and habits of humming birds, or the Trochilidæ. Gould.
||Troch"i*los (?), n. [NL. See Trochilus.] (Zoöl.) The crocodile bird,
||or trochil.
||
||Troch"i*lus (?), n.; pl. Trochili (#). [L. trochilus a kind of small
||bird. Gr. &?;, fr. &?; to run.] 1. (Zoöl.) (a) A genus of humming
||birds. It Formerly included all the known species. (b) Any one of
||several species of wrens and kinglets. [Obs.] (c) The crocodile bird.
||
2. (Arch.) An annular molding whose section is concave, like the edge
of a pulley; — called also scotia.
Tro"ching (?), n. [OF. troche cluster, group; cf. F. trochure a
surantler, trochée branches of a seedling, trochet cluster of flowers
or fruits.] (Zoöl.) One of the small branches of a stag's antler.
||Tro*chis"cus (?), n.; pl. Trochisci (#). [L., fr. Gr. &?; a small
||ball, dim. of &?; a wheel. See Troche.] (Pharm.) A kind of tablet or
||lozenge; a troche.
||
Tro"chisk (?), n. [Cf. F. trochisque.] See Trochiscus. [Obs.] Bacon.
Tro"chite (?), n. [Gr. &?; a wheel.] (Paleon.) A wheel-like joint of
the stem of a fossil crinoid.
||Troch"le*a (?), n. [L., a case or sheaf containing one or more
||pulleys, Gr. &?;. See Trochilics.] 1. (Mach.) A pulley. [Obs.]
||
2. (Anat.) A pulley, or a structure resembling a pulley; as, the
trochlea, or pulleylike end, of the humerus, which articulates with the
ulna; or the trochlea, or fibrous ring, in the upper part of the orbit,
through which the superior oblique, or trochlear, muscle of the eye
passes.
Troch"le*ar (?), n. [L. trochlea block or pulley.] (Anat.) Shaped like,
or resembling, a pulley; pertaining to, or connected with, a trochlea;
as, a trochlear articular surface; the trochlear muscle of the eye.
Trochlear nerve. See Pathetic nerve, under Pathetic.
Troch"le*a*ry (?), a. (Anat.) Pertaining to, or connected with, a
trochlea; trochlear; as, the trochleary, or trochlear, nerve.
Tro"choid (?), n. [Gr. &?; a wheel + - oid; cf. F. trochoïde. See
Troche.] (Geom.) The curve described by any point in a wheel rolling on
a line; a cycloid; a roulette; in general, the curve described by any
point fixedly connected with a moving curve while the moving curve
rolls without slipping on a second fixed curve, the curves all being in
one plane. Cycloids, epicycloids, hypocycloids, cardioids, etc., are
all trochoids.
Tro"choid, a. 1. (Anat.) Admitting of rotation on an axis; — sometimes
applied to a pivot joint like that between the atlas and axis in the
vertebral column.
2. (Zoöl.) Top-shaped; having a flat base and conical spire; — said of
certain shells.