Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various marine worms of the phylum Chaetognatha, which includes the arrow worms.
  • adj. Of, relating to, or belonging to the phylum Chaetognatha.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of several marine worms of the phylum Chaetognatha.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to the Chætognatha.
  • n. any worm of the Chaetognatha; transparent marine worm with horizontal lateral and caudal fins and a row of movable curved spines at each side of the mouth.

from The Century Dictionary and Cyclopedia

  • Of or pertaining to the Chætognatha; chætognathous.
  • n. A member of the Chætognatha.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. any worm of the Chaetognatha; transparent marine worm with horizontal lateral and caudal fins and a row of movable curved spines at each side of the mouth

Etymologies

From New Latin Chaetognatha, phylum name : chaeta, chaeta; see chaeta + Greek gnathos, jaw; see genu-2 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Ancient Greek χαίτη ("flowing hair") + γνάθος ("jaw") (Wiktionary)

Examples

  • White, opaque spherules are selectively consumed by 8 species of fish out of 14 species examined, and a chaetognath.

    Our Plastic Ocean Turns Forty

  • Arrow worms (Phylum Chaetognatha) are abundant planktonic organisms and important predators in many food webs; yet, the classification and evolutionary relationships among chaetognath species remain poorly understood.

    ScienceBlogs Channel : Life Science

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Comments

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  • also known as arrowworm (with a neat palindromic center- rowwor)

    February 7, 2012