Ross's seal

noun

: an antarctic seal (Ommatophoca rossi) having but two upper incisors, very small teeth, small claws on the forefeet, and none on the hind feet

Word History

Etymology

after Sir James Clark Ross

First Known Use

1844, 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