yellow-bellied terrapin

noun

: a terrapin (Pseudemys scripta) of the southeastern U.S. having the carapace marked with yellow lines and the plastron yellow or brownish

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