1 (plural birds of paradise) a tropical Australasian bird, the male of which is noted for the beauty and brilliance of its plumage and its spectacular courtship display. Most kinds are found in New Guinea.
Family Paradisaeidae: numerous genera
2 (also bird of paradise flower) a southern African plant related to the banana, which bears a showy irregular flower with a long projecting tongue.
Genus Strelitzia, family Strelitziaceae: several species, in particular S. regina, with orange and dark blue flowers
bird of paradise in other Oxford dictionaries
Definition of bird of paradise in the US English dictionary