Definition of Ostariophysi
: a large order or other division of teleost fishes (as the characin, carp, catfish) having the anterior four vertebrae strongly modified and often grown together and supporting a chain of small bones which connect the air bladder with the ear
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 ostariophysi
New Latin, from ostario- (from Greek ostarion small bone, diminutive of osteon bone) + -physi (from Greek physa bellows, bladder)
Seen and Heard
What made you want to look up Ostariophysi? Please tell us where you read or heard it (including the quote, if possible).