arrowworm


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Related to arrowworm: acorn worm

arrowworm

(ˈærəʊˌwɜːm)
n
(Animals) any small marine invertebrate of the genus Sagitta, having an elongated transparent body with fins and prehensile oral bristles: phylum Chaetognatha (chaetognaths)

ar•row•worm

(ˈær oʊˌwɜrm)

n.
any small, translucent marine worm of the phylum Chaetognatha, having lateral and caudal fins.
[1885–90]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.arrowworm - any worm of the Chaetognathaarrowworm - 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
worm - any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae
Chaetognatha, phylum Chaetognatha - arrowworms: a group of small active transparent marine worms
sagitta - any arrowworm of the genus Sagitta
References in periodicals archive ?
A unique photoreceptive structure in the arrowworms Sagitta crassa and Spadella schizoptera (Chaetognatha).