arrow worm

noun
variants: or less commonly arrowworm \ ˈer-​ō-​ˌwərm How to pronounce arrow worm (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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The first known use of arrow worm was in 1859

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Cite this Entry

“Arrow worm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arrow%20worm. Accessed 16 Jan. 2021.

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