'Diluvian' definitions:

Definition of 'diluvian'

(from WordNet)
adjective
Of or connected with a deluge [syn: diluvian, diluvial]

Definition of 'Diluvian'

From: GCIDE
  • Diluvian \Di*lu"vi*an\, a. [Cf. F. diluvien.] Of or pertaining to a deluge, esp. to the Noachian deluge; diluvial; as, of diluvian origin. --Buckland. [1913 Webster]