nounpĕrĭostĕonPERIOSTEON☆ KeepMeaningthe membrane which surrounds the boneLewis & Short 1879ModernAs printed, 1879PERIOSTEONLEWIS & SHORTPERIOSTEONpĕrĭostĕon, i, n., = περιόστεον, I. the membrane which surrounds the bone, Cael. Aur. Tard. 5, 1, 5.Read the whole entry