Search Result for "arrowworm": 
Wordnet 3.0

NOUN (1)

1. 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: arrowworm, chaetognath]



The Collaborative International Dictionary of English v.0.48:

Arrowworm \Ar"row*worm`\, n. (Zool.)
   A peculiar transparent worm of the genus Sagitta, living at
   the surface of the sea. See Sagitta.
   [1913 Webster]


WordNet (r) 3.0 (2006):

arrowworm
    n 1: 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: arrowworm,
         chaetognath]