Board Thread:The Last Sovereign Discussion/@comment-27713488-20180327004110/@comment-31763506-20180404215701

The Fulminato wrote: bone in italian is "osso" ("ossa" plural, well for the human ones, animal bones is "ossi"). an "ossario" is any intentional human bones resting place.

"Grave" or "Tomb" is probably closer to the meaning you want then.