[ kee-tog-nath, -tuhg- ]
/ ˈki tɒgˌnæθ, -təg- /
any animal of the phylum Chaetognatha, comprising the arrowworms.
Also chae·tog·na·than [kee-tog-nuh-thuhn], /kiˈtɒg nə θən/, chae·tog·na·thous. belonging or pertaining to the Chaetognatha.
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Words nearby chaetognath
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for chaetognath
/ (ˈkiːtɒɡˌnæθ) /
any small wormlike marine invertebrate of the phylum Chaetognatha, including the arrowworms, having a coelom and a ring of bristles around the mouth
Word Origin for chaetognath
C19: New Latin Chaetognatha, literally: hair-jaw, from chaeta + Greek gnathos jaw
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for chaetognath
[ kē′tŏg-năth′ ]
Any of various small, wormlike marine invertebrates of the phylum Chaetognatha, having often transparent or translucent bodies that are pointed at one end. The head has small hooks for grasping prey, and it contains a large cerebral ganglion of sensory nerves. Chaetognaths are popularly called arrowworms, and are thought to be related to the echinoderms and chordates.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.