- Any of various storklike wading birds of the family Threskiornithidae of temperate and tropical regions, having a long, slender, downward-curving bill.
- A bird of the family <em>Ibididæ</em>, or of the genus <em>Ibis</em> in a wide sense.
- [<em>capitalized</em>] [NL.] The leading genus of the family <em>Ibididæ</em>, 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 <internalXref urlencoded="Tantalin%C3%A6">Tantalinæ</internalXref>.
- In <em>angling</em>, an artificial hackle-fly, ribbed with silver tinsel, with body, hackle, wings, and tail scarlet.
- Any bird of the genus Ibis and several allied genera, of the family <ex>Ibidæ</ex>, 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.
- Any of various long-legged <xref>wading</xref> <xref>birds</xref> in the family <xref>Threskiornithidae</xref>. They have long <xref>downcurved</xref> bills used to probe the mud for prey such as <xref>crustaceans</xref>.
- wading birds of warm regions having long slender down-curved bills