royal tern

noun

: a large tern (Thalasseus maximus) of the southern U.S. and farther southward that is white with a black crown and crest and pearl-gray mantle

Word History

First Known Use

1858, in the meaning defined above

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