n. (brit. Tricolour) flag of three bands of different colours, esp. The french or irish national flags. [french: related to *tri-]

n. Three-wheeled pedal-driven vehicle similar to a bicycle.

adj. - unimportant, petty.

- frivolous.

n. (pl. Same) 1 a million million (1012).

- (now less often) a million million million (1018). trillionth adj. & n. [french or italian: related to *tri-, *million, after billion]

n. Vessel like a catamaran, with three hulls side by side. [from *catamaran]

n. Prosody line of verse of three measures. [greek: see *tri-, *-meter]

n. - ornamentation or decoration, esp. For clothing.

- (in pl.) Colloq. Usual accompaniments, esp. Of the main course of a meal.

n. Picture or relief carving on three panels, usu. Hinged together at the sides. [after *diptych]

n. Wire stretched close to the ground to trip up an intruder or to operate an alarm or other device when disturbed.

n. Brass wind instrument with a sliding tube. trombonist n. [french or italian tromba *trumpet]