bosun bird

noun

bo·​sun bird

ˈbōsᵊn-

: tropic bird

Word History

Etymology

perhaps so called from its whistle

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