Villiplacentalia

plural noun

Vil·​li·​plac·​en·​ta·​lia

ˌvilə̇ˌplasᵊn‧ˈtālēə

: mammals having a nondeciduate villous placenta and comprising the cetaceans, sirenians, and ungulates

Word History

Etymology

New Latin, from villus + -i- + Placentalia

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