Tour, tōōr, n. a going round: a journey in a circuit: a prolonged journey: a ramble.—n. Tour′ist, one who makes a tour, a traveller for sight-seeing.—adj. Touris′tic. [Fr.,—L. tornus, a turn.]

Touraco, tōō′ra-kō, or tōō-rä′-, n. a bird about the size of a pheasant found in the Amazon region, whose structure shows many anomalies—the sternal apparatus, the divided muscular crop, and the reptilian character of the head of the unhatched chick.

Tourbillon, tōōr-bil′yun, n. anything with a spiral movement: a whirlwind: a kind of firework which gyrates in the air. [Fr., a whirlwind—L. turbo.]

Tourmalin, -e, tōōr′ma-lin, n. a beautiful mineral, with vitreous lustre, mostly black, brownish-black, and bluish-black. [From Tourmali, in Ceylon, whence a variety of the stone was first brought.]

Tournament, tōōr′na-ment, n. a military sport of the Middle Ages in which combatants engaged one another to display their courage and skill in arms: any contest in skill involving a number of competitors and a series of games.—Also Tour′ney. [O. Fr. tournoiement, tornoitorner—L. tornāre, to turn.]

Tourniquet, tōōr′ni-ket, n. an instrument for compressing the main artery of the thigh or arm, either for the purpose of preventing too great a loss of blood in amputation, or to check dangerous hæmorrhage from accidental wounds, or to stop the circulation through an aneurism. [Fr., tourner—L. tornāre, to turn.]

Tournure, tōōr-nūr′, n. contour, the characteristic turn of a drawing: a pad worn by women to give the hips a well-rounded outline, the drapery at the back of a gown.

Touse, towz, v.t. (Spens.) to pull, to tear, to tease or worry:—pr.p. tous′ing; pa.p. toused.—n. a pull: a disturbance.—n. Tous′er, one who, or that which, touses.—v.t. Tous′le (coll.), to disarrange, to tumble.—adj. Tous′y, shaggy, unkempt, tousled.

Tout, towt, v.i. to look out for custom in an obtrusive way.—n. one who does so: a low fellow who hangs about racing-stables, &c., to pick up profitable information.—n. Tout′er, one who touts. [A.S. tótian, to look out.]

Tout, towt, v.i. (Scot.) to pout.—n. a pet, a fit of the sulks, a sudden illness.—adj. Tout′ie, petulant.