arrowworm

[ ar-oh-wurm ]

noun
  1. any small, translucent marine worm of the phylum (or class) Chaetognatha, having lateral and caudal fins.

Origin of arrowworm

1
First recorded in 1885–90; so called from a fancied resemblance to an arrow

Words Nearby arrowworm

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for arrowworm

arrowworm

/ (ˈærəʊˌwɜːm) /


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

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