Any of various long-legged wading birds in the family Threskiornithidae, having long downcurved bills used to probe the mud for prey such as crustaceans.
Mentioned in the Wycliffe Bible as ybyn or ibin, as ibys from 16th century and ibis shortly after. From Latin ībis, from Ancient Greek ἶβις (îbis), from Egyptian h-b-G26 (hbj) (compare Coptic ϩⲓⲃⲱⲓ (hibōi) or ϩⲓⲡ (hip)).