an Old World coraciiform bird (Upupa epops) of a family (Upupidae) having only one species, with a long curved bill and an erectile crest
See hoopoe in American Heritage Dictionary 4
(ho͞oˈpo͞o, -pō)
noun
Any of several Old World birds of the family Upupidae, especially Upupa epops, having distinctively patterned plumage, a fanlike crest, and a slender, downward-curving bill.