Latin Noun acerum n genitive plural of acer References "acerum", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)Wikiwand - on Seamless Wikipedia browsing. On steroids.