Main Entry: ibis

Pronunciation: \ˈī-bəs\

Function: noun

Inflected Form(s): plural ibis or ibis·es

Etymology: Middle English, from Latin, from Greek, from Egyptian hbw

Date: 14th century

: any of various chiefly tropical or subtropical wading birds (family Threskiornithidae) related to the herons but distinguished by a long slender downwardly curved bill

[ibis illustration]