ibis

UK: /ˈaɪbɪs/ US: /ˈaɪbɪs/ ,(ī′bis)

Inflections of 'ibis' (n):

ibises

npl

ibis

npl (Can be used as a collective plural—e.g. "I saw a flock of ibis by the lake.")

WordReference Random House Learner's Dictionary of American English © 2025

i•bis /ˈaɪbɪs/   n. [countable] , pl. i•bis•es, (esp. when thought of as a group) i•bis. 

1. Birds a large wading bird of warm regions.

WordReference Random House Unabridged Dictionary of American English © 2025

i•bis  (ī′bis), n., pl. i•bis•es, (esp. collectively) i•bis. 

1. Birds 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. Birds any of certain similar birds belonging to the stork family Ciconiidae, esp. the wood stork, Mycteria americana.

• Egyptian hb
• Greek îbis
• Latin ībis
• Middle English 1350–1400

Collins Concise English Dictionary © HarperCollins Publishers::

ibis / ˈaɪbɪs/ noun (ibises, ibis)

1. any of various wading birds of the family Threskiornithidae, such as Threskiornis aethiopica (sacred ibis), that occur in warm regions and have a long thin down-curved bill: order Ciconiiformes (herons, storks, etc)

Etymology: 14th Century: via Latin from Greek, from Egyptian hby