ragworm

noun

any polychaete worm of the genus Nereis, living chiefly in burrows in sand or mud and having a flattened body with a row of fleshy parapodia along each sideUS name: clamworm

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for ragworm

Historical Examples of ragworm

The Ragworm is another species that is highly valued as bait.
The Sea Shore
William S. Furneaux
Smelts are best fished for with tiny hooks tied on fine gut and baited with fragments of shrimp, ragworm, and other delicacies.
Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
Various