SG Heritage Dictionary

Bignonia [Noun] Webster's Dictionary 1913

A large genus of American, mostly tropical, climbing shrubs, having compound leaves and showy somewhat tubular flowers. B. capreolata is the cross vine of the Southern United States. The trumpet creeper was formerly considered to be of this genus.

Bignoniaceous [Adjective] Webster's Dictionary 1913

Of pertaining to, or resembling, the family of plants of which the trumpet flower is an example.