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
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up white ibis? Please tell us where you read or heard it (including the quote, if possible).