(n.) A series of three dramas which, although each of them is in one sense complete, have a close mutual relation, and form one historical and poetical picture. Shakespeare's Henry VI. is an example.

clover deuce-ace leash set of three shamrock tercet ternary ternion terzetto three threesome tierce trefoil trey triad trialogue triangle tricorn trident triennium trihedron trimester trine trinity trinomial trio triphthong triple crown triple threat triplet triplopy tripod triptych trireme triseme triskelion trisul triumvirate triunity trivet troika