(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
The Collaborative International Dictionary of English (GCIDE) v.0.53
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. -- arrowworm. [ WordNet 1.5 ]
‖ n. pl. [ NL., from Gr. &unr_; hair + &unr_; jaw. ] (Zool) a phylum consisting of the arrowworms, a group of small active transparent free-swimming marine worms, of which the genus Sagitta is the type. They have groups of curved spines on each side of the head. Syn. -- phylum Chaetognatha. [ 1913 Webster + WordNet 1.5 ]
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