white ibis

noun

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

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now