arrow worm


variants or less commonly arrowworm
ˈer-ō-ˌwərm How to pronounce arrow worm (audio)
: any of a phylum (Chaetognatha) of small planktonic wormlike marine organisms having curved bristles on either side of the head for seizing prey

Word History

First Known Use

1859, in the meaning defined above

Time Traveler
The first known use of arrow worm was in 1859

Dictionary Entries Near arrow worm

Cite this Entry

“Arrow worm.” Dictionary, Merriam-Webster, Accessed 4 Oct. 2023.

Kids Definition

arrow worm

: any of various small ocean animals that look like worms
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