arrow worm. The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.

The American Heritage^® Dictionary of the English Language: Fourth Edition. 2000.

arrow worm

NOUN:	Any of various small slender marine worms of the phylum Chaetognatha having a narrow, almost transparent body and sickle-shaped bristles on each side of the mouth.


The American Heritage^® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved.