'Thanatology' definitions:

Definition of 'thanatology'

From: WordNet
noun
The branch of science that studies death (especially its social and psychological aspects)

Definition of 'Thanatology'

From: GCIDE
  • Thanatology \Than`a*tol"o*gy\ (th[a^]n`[.a]*t[o^]l"[-o]*j[y^]), n. [Gr. qa`natos + -logy.] A description, or the doctrine, of death. --Dunglison. [1913 Webster]