arrow worm

noun
variants: or less commonly arrowworm \ ˈer-​ō-​ˌwərm How to pronounce arrowworm (audio) , ˈer-​ə-​ , ˈa-​rō-​ , ˈa-​rə-​ \

Definition of arrow worm

: any of a phylum (Chaetognatha) of small planktonic wormlike marine organisms having curved bristles on either side of the head for seizing prey

First Known Use of arrow worm

1859, in the meaning defined above

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Last Updated

17 Sep 2019

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The first known use of arrow worm was in 1859

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