Arrowworm

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]

From WordNet (r) 2.0 [wn]:



  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}]