triennium, ī [trēs + annus], n., the space of three years, three years.
trigeminī, ae, a [trēs + geminus], adj., born three at a birth; as noun, pl. m., triplets.
trīgintā, indecl. num. adj., thirty.
trīstis, e, adj., sad, sorrowful; stern, severe.
triumphālis, e [triumphus], adj., pertaining to a triumph, triumphal.
triumphō, āre, āvī, ātum [triumphus], to celebrate a triumph, triumph.
[triumphus, ī], m., a triumph, the splendid procession in which the victorious general entered the city, accompanied by his soldiers and the spoil and captives he had taken. The procession passed round the Capitoline Hill into the Via Sacra, then into the Forum, and on up to the temple of Jupiter Capitolinus.
triumvir, virī [trēs + vir], m., a triumvir, one of a board of three commissioners.
tropaeum, ī, n., a trophy, sign of victory, made usually by fastening captured arms to the trunk of a tree.
trucīdō, āre, āvī, ātus, to cut to pieces, slaughter, butcher.