ibis: Meaning and Definition of

i•bis

1. any of several large wading birds of the family Threskiornithidae, of warm temperate and tropical regions, related to the herons and storks, and characterized by a long, thin, downward-curved bill. Cf. sacred ibis.
2. any of certain similar birds belonging to the stork family Ciconiidae, esp. the wood stork, Mycteria americana.