Found 2 items, similar to arrowworm.
English → English (WordNet) Definition: arrowworm arrowworm n : any worm of the Chaetognatha; transparent marine worm with horizontal lateral and caudal fins and a row of movable curved spines at each side of the mouth [syn: chaetognath]
English → English (gcide) Definition: Arrowworm Arrowworm \Ar"row*worm`\, n. (Zo["o]l.) A peculiar transparent worm of the genus Sagitta, living at the surface of the sea. See Sagitta. [1913 Webster]