Definition of sea catfish
: any of numerous marine fishes of the family Ariidae most of which are mouthbreeders and few of which are used as food
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 sea catfish? Please tell us where you read or heard it (including the quote, if possible).