1 white ibis | Definition of white ibis

white ibis

noun

Definition of white ibis

1 : an ibis (Eudocimus albus) of tropical America and the southern U.S. having white plumage with the wings tipped with black
2 : an Asiatic ibis (Threskiornis melanocephala) having the plumage chiefly white and the bare skin of head and neck blue-black