'last rites' definitions:

Definition of 'last rites'

(from WordNet)
noun
A Catholic sacrament; a priest anoints a dying person with oil and prays for salvation [syn: anointing of the sick, extreme unction, last rites]
noun
Rites performed in connection with a death or burial

Synonyms of 'last rites'

From: Moby Thesaurus