2. (Mus.) (a) A composition for three parts or three instruments. (b) The secondary, or episodical,
movement of a minuet or scherzo, as in a sonata or symphony, or of a march, or of various dance forms; —
not limited to three parts or instruments.
Triobolar
(Tri*ob"o*lar Tri*ob"o*la*ry) a. [LL. triobolaris, fr. L. triobolus a piece of three oboli, Gr. .
See Tri-, and Obolus.] Of the value of three oboli; hence, mean; worthless. [Obs.]
It may pass current . . . for a triobolar ballad.
Cheyne. Trioctile
(Tri*oc"tile) n. [Pref. tri- + octile.] (Astrol.) An aspect of two planets with regard to the earth
when they are three octants, or three eighths of a circle, that is, 135 degrees, distant from each other.
Hutton.
Triœcia
(||Tri*œ"ci*a) n. pl. [NL. See Triœcious.] (Bot.) The third order of the Linnæan class Polygamia.
Triœcious
(Tri*œ"cious) a. [Pref. tri- + Gr. house.] (Bot.) Having three sorts of flowers on the same or
on different plants, some of the flowers being staminate, others pistillate, and others both staminate and
pistillate; belonging to the order Triœcia.
Triole
(Tri"ole) n. [See Triolet.] (Mus.) Same as Triplet.
Triolein
(Tri*o"le*in) n. [Pref. tri- + olein.] (Physiol. Chem.) See Olein.
Triolet
(Tri"o*let) n. [F. triolet. See Trio.] A short poem or stanza of eight lines, in which the first line
is repeated as the fourth and again as the seventh line, the second being, repeated as the eighth. Brande
& C.
Trionychoidea
(||Tri*on`y*choi"de*a) n. pl. [NL. See Trionyx, and -old.] (Zoöl.) A division of chelonians
which comprises Trionyx and allied genera; — called also Trionychoides, and Trionychina.
Trionyx
(||Tri*on"yx) n. [NL., fr. Gr. (see Tri-) + a claw.] (Zoöl.) A genus of fresh-water or river turtles
which have the shell imperfectly developed and covered with a soft leathery skin. They are noted for
their agility and rapacity. Called also soft tortoise, soft-shell tortoise, and mud turtle.
The common American species (Trionyx, or Aspidonectus, ferox) becomes over a foot in length and is
very voracious. Similar species are found in Asia and Africa.
Trior
(Tri"or) n. (Law) Same as Trier, 2 and 3.
Trioxide
(Tri*ox"ide) n. [Pref. tri- + oxide.] (Chem.) An oxide containing three atoms of oxygen; as,
sulphur trioxide, SO3; — formerly called tritoxide.
Trip
(Trip) v. i. [imp. & p. p. Tripped ; p. pr. & vb. n. Tripping.] [OE. trippen; akin to D. trippen,
Dan. trippe, and E. tramp. See Tramp.]
1. To move with light, quick steps; to walk or move lightly; to skip; to move the feet nimbly; — sometimes
followed by it. See It, 5.
This horse anon began to trip and dance.
Chaucer.
Come, and trip it, as you go,
On the light fantastic toe.
Milton.
She bounded by, and tripped so light
They had not time to take a steady sight.
Dryden. 2. To make a brief journey or pleasure excursion; as, to trip to Europe.
