Arrow Worm Definition
noun
Any of various small slender marine worms of the phylum Chaetognatha, having a narrow, almost transparent body and spines on each side of the mouth that are used for grasping prey.
American Heritage
A predatory marine worm of the phylum Chaetognatha.
Wiktionary
Other Word Forms of Arrow Worm
Noun
Singular:
arrow worm
Plural:
arrow-worms
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