mortuary
Concise Oxford English Dictionary © 2008 Oxford University Press:
mortuary /ˈmɔːtjʊəri, -tʃʊ-/
▶noun (pl. mortuaries) a room or building in which dead bodies are kept until burial or cremation. ▶adjective relating to burial or tombs.
– origin ME (denoting a gift claimed by a parish priest from a deceased person's estate): from L. mortuarius, from mortuus ‘dead’.
'mortuary' also found in these Oxford entries:

