Trinkle, tringk′l, a Scotch form of trickle: also a form of tinkle.

Trinoctial, trī-nok′shal, adj. comprising three nights.

Trinodal, trī-nō′dal, adj. having three nodes or joints.

Trinomial, trī-nō′mi-al, adj. (math.) consisting of three names or terms connected by the sign plus or minus.—n. a trinomial quantity.—ns. Trinō′mialism; Trinō′mialist; Trinomial′ity.—adj. Trinō′mially. [L. tres, three, nomen, name.]

Trio, trē′o, or trī′o, n. three united: (mus.) a composition for three performers. [It.,—L. tres, three.]

Triodion, trī-ō′di-on, n. a book of Greek offices for the services from the Sunday before Septuagesima to Easter. [Gr. treis, three, hodos, a way.]

Triolet, trē′ō-let, n. a stanza of eight lines on two rhymes—the 1st, 3d, 4th, and 5th lines rhyming, as also the 2d and 6th. Again, the words of the 1st, 4th, and 7th lines are the same, while the 7th and 8th repeat the first two. [Fr.]

Triones, trī-ō′nēz, n.pl. a name applied to the seven principal stars in the constellation Ursa Major. [L.]

Trionym, trī′ō-nim, n. a name consisting of three terms.—adj. Trion′ymal.

Trip, trip, v.i. to move with short, light steps: to stumble and fall: to err, to go wrong, to make a slip in chastity: to fail.—v.t. to cause to stumble by striking one's feet from under him (with up): to overthrow by taking away support: to catch: to catch in a fault: to loosen, as an anchor, from the bottom, by a long rope: to turn, as a yard, from a horizontal to a vertical position: to fold in the middle, as a deep stage-drop: to strike against:—pr.p. trip′ping; pa.t. and pa.p. tripped.—n. a light, short step: a catch by which an antagonist is thrown: one of the points in coursing, when the hare is thrown off its legs: a false step: a mistake: a short voyage or journey, a jaunt.—ns. Trip′-book, a book in which the records and accounts of the trip of a fishing-boat are made up and kept: Trip′-hamm′er, a large hammer used in forges, a tilt-hammer; Trip′per, a cheap excursionist, a tourist doing a certain round: one who stumbles or who makes another stumble; Trip′-slip (U.S.), a strip of paper on which a car-conductor must punch a hole when a fare is taken. [M. E. trippen; cog. with Dut. trippen, trappen, to tread upon, trippelen, to trip, Sw. trippa, to trip.]