Pinnigrada

Pin·​ni·​gra·​da

ˌpinəˈgrātə

taxonomic synonym of pinnipedia

Word History

Etymology

New Latin, from pinn- + -grada (from Latin, neuter plural of -gradus going)

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