ibis Syllabification: (i·bis)Pronunciation: /ˈībis/Definition of ibis noun (plural ibises) a large wading bird with a long down-curved bill, long neck, and long legs. Family Threskiornithidae: several genera and species, including the sacred ibis and white ibis Origin: late Middle English: via Latin from Greekibis in other Oxford dictionaries Definition of ibis in the British & World English dictionary
