Definition of Polynemidae
: a family (usually coextensive with a suborder Polynemoidea of Percomorphi) of fishes that resemble mullets but have the pectoral fin divided into two parts of which the upper is much like an ordinary fin and the lower is composed of several separate slender threadlike rays and abound on the sandy shores of warm seas, many of them being valued for food and some yielding isinglass
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
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!
Origin and Etymology of polynemidae
New Latin, from Polynemus, type genus + -idae
Seen and Heard
What made you want to look up Polynemidae? Please tell us where you read or heard it (including the quote, if possible).