Definition of trumpet flower:
(n) :
Any of several species of flowering plants with trumpet-like flowers
(n) :
Incarvillea spp., native to central and eastern Asia (Chinese trumpet flower)
(n) :
Gelsemium sempervirens, native to North America (evening trumpetflower)
(n) :
Tecoma stans (yellow bells, yellow trumpet flower, yellow elder)
(n) :
Datura meteloides, a perennial herb of the southwestern U.S. (desert trumpet flower)
(n) :
Beaumontia grandiflora (Nepal trumpet flower, Easter lily vine)