Source : Webster's Revised Unabridged Dictionary (1913)

Lobworm \Lob"worm`\, n. (Zo["o]l.)
   The lugworm.

Source : WordNet®

lobworm
     n : marine worms having a row of tufted gills along each side of
         the back; often used for fishing bait [syn: {lugworm}, {lug}]