Eptesicus

noun

Ep·​tes·​i·​cus

epˈtesə̇kəs

: a nearly cosmopolitan genus of vespertilionid bats that includes the big brown bat and other common forms

Word History

Etymology

New Latin

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