[1] : WordNet (r) 2.0

last rites
     n 1: a catholic sacrament; a priest anoints a dying person with
          oil and prays for salvation syn: anointing of the sick,
           extreme unction
     2: rites performed in connection with a death or burial
see also:
anointing of the sick extreme unction 

[2] : Moby Thesaurus II by Grady Ward, 1.0

25 moby thesaurus words for "last rites":
   burial service, chrism, chrismal, chrismation, chrismatory,
   chrisom, deathwatch, dirge, eulogy, exequies, extreme unction,
   funeral oration, funeral rites, last duty, last honors,
   last offices, obsequies, ointment, requiem, requiem mass,
   sacramental anointment, sacred unction, unction, viaticum, wake

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At Last, definition of term: At Last
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