Definition of keyhole limpet
: a limpet of the genus Fissurella
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 keyhole limpet
so called from the perforation at the apex of its shell
Seen and Heard
What made you want to look up keyhole limpet? Please tell us where you read or heard it (including the quote, if possible).