- Any of various storklike wading birds of the family Threskiornithidae of temperate and tropical regions, having a long, slender, downward-curving bill.
- The wood ibis.
- Any of various long-legged wading birds in the family Threskiornithidae. They have long downcurved bills used to probe the mud for prey such as crustaceans.
- Any bird of the genus Ibis and several allied genera, of the family Ibidæ, inhabiting both the Old World and the New. Numerous species are known. They are large, wading birds, having a long, curved beak, and feed largely on reptiles.
- A bird of the family Ibididæ, or of the genus Ibis in a wide sense.
- [capitalized] [NL.] The leading genus of the family Ibididæ, formerly more than coextensive with the family, but successively restricted to various generic types of ibises.
- Some bird like an ibis, or supposed to be an ibis, as a wood-ibis or wood-stork. See Tantalinæ.
- In angling, an artificial hackle-fly, ribbed with silver tinsel, with body, hackle, wings, and tail scarlet.
- wading birds of warm regions having long slender down-curved bills