ibis plural
i·bis
The plural form of ibis is ibises
I iDefinitions
- noun plural ibis 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. Compare sacred ibis. 1
- noun plural ibis any of certain similar birds belonging to the stork family Ciconiidae, especially the wood stork, Mycteria americana. 1