WordReference Random House Unabridged Dictionary of American English © 2025
big•no•ni•a•ceous
(big nō′nē ā′shəs),USA pronunciation adj.
- Plant Biologybelonging to the plant family Bignoniaceae. Cf. bignonia (def. 2).
- Neo-Latin Bignoniace(ae) (see bignonia, -aceae) + -ous
'bignoniaceous' also found in these entries (note: many are not synonyms or translations):