LUGWORM

lugworm, lug, lobworm

(noun) marine worms having a row of tufted gills along each side of the back; often used for fishing bait

Source: WordNet® 3.1

Noun

lugworm (plural lugworms)

Any of several species of large marine annelid worm of the genus Arenicola

especially the northern lugworm (Arenicola marina), whose coiled castings can often be seen on beaches at low tide.

black lugworm (Arenicola defodiens)

Synonyms

• (Arenicola marina): lobworm, sandworm, blow lugworm

Source: Wiktionary

Lug"worm`, n. Etym: [1st lug + worm.] (Zoöl.)

Definition: A large marine annelid (Arenicola marina) having a row of tufted gills along each side of the back. It is found burrowing in sandy beaches, both in America and Europe, and is used for bait by European fishermen. Called also lobworm, and baitworm.

Source: Webster’s Unabridged Dictionary 1913 Edition