Index of English words, starting with "tr"

(1) - Trierarch (n.) At Athens, one who (singly, or jointly with other citizens) had to fit out a trireme for the public service.
(2) - Trierarch (n.) The commander of a trireme.

(1) - Trierarchy (n.) The office duty of a trierarch.

(1) - Trifarious (a.) Facing three ways; arranged in three vertical ranks, as the leaves of veratrum.