plural of hornbill

Any of various birds of the family Bucerotidae, with bills resembling a cow's horns. Many species have a casque above the bill, and many imprison their young in a tree.

plural of ground hornbill

plural of Papuan hornbill

Either of two large African ground-dwelling birds in the family Bucorvidae. / Used other than figuratively or idiomatically: ground, hornbill.

Synonym of Blyth's hornbill

Rhyticeros plicatus, a large hornbill inhabiting the forest canopy in Wallacea and Melanesia.