any of a family (Ramphastidae) of brightly colored, fruit-eating piciform birds of tropical America, distinguished by a very large beak
See toucan in American Heritage Dictionary 4
(to͞oˈkănˌ, -känˌ, to͞o-kănˈ, -känˈ)
noun
Any of various tropical American birds of the family Ramphastidae, having brightly colored plumage and a very large bill and feeding mainly on small fruits.