Definition of jawfish
: a fish of the percoid family Opisthognathidae comprising tropical marine fishes with a single dorsal fin, a single lateral line, and very large mouth
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up jawfish? Please tell us where you read or heard it (including the quote, if possible).