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 side
US name: clamworm
Examples of 'ragworm' in a sentence
ragworm
The fish would be fed on algae and ragworm, cultivated in another heated tank.
Times, Sunday Times (2015)
The ragworm, which is about the width of a hair, has neurons similar to the human brain.
The Sun (2018)
Near the edge of the sea you'll find fiddler crab, ragworm and shore crab, sea mice and tiny blenny fish.