OSSUARY Meaning of OSSUARY in English n. (pl. -ies) 1 a receptacle for the bones of the dead; a charnel-house; a bone-urn. 2 a cave in which ancient bones are found. [ LL ossuarium irreg. f. os ossis bone ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012