Definition of mud–blister worm
: a polychaete worm (Polydora ciliata) that lives in a mud-walled tube with which it lines U-shaped borings in chalky formations or in the shells of oysters on which it may be a destructive pest
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 mud–blister worm? Please tell us where you read or heard it (including the quote, if possible).