Opisthognathidae

plural noun

Opis·​tho·​gnath·​i·​dae

əˌpisthəˈnathəˌdē,

-ˌthägˈn-

: a family of large-mouthed percoid fishes with a large naked head and the body covered with small cycloid scales see jawfish

Word History

Etymology

New Latin, from Opisthognathus, type genus, (from opisth- + -gnathus) + -idae

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