'Bignoniaceous' definitions:

Definition of 'bignoniaceous'

(from WordNet)
adjective
Of or pertaining to or characteristic of plants of the family Bignoniaceae

Definition of 'Bignoniaceous'

From: GCIDE
  • Bignoniaceous \Big*no`ni*a"ceous\, a. (Bot.) Of pertaining to, or resembling, the family of plants of which the trumpet flower (also called trumpet creeper and trumpet vine) is an example. [1913 Webster]