Definition of uncinus
: a small hooklike structure or process: such as a : one of the minute chitinous hooks found in large numbers in the tori of some tubicolous annelids b : one of the hooklike lateral teeth of the radula of a gastropod c : a hooked cilium of various infusorians
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 uncinus
New Latin, from Latin, hook
Seen and Heard
What made you want to look up uncinus? Please tell us where you read or heard it (including the quote, if possible).