trireme triregnum • trirhombohedral · · · Info · Definitions · Characters · · trireme · · Text Latin · · Script 7 · · Length 2 · · Syllables Definitions · · · (noun) ancient Greek or Roman galley or warship having three tiers of oars on each side. · · Noun Definition 1 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D r latin small letter r U+0072 t latin small letter t U+0074