trierium

== Latin == === Adjective === triērium genitive masculine/feminine/neuter plural of triēris === References === "trierium", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)