Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of numerous animals of the group Gnathostomata, consisting of all vertebrates with jaws and including the mammals, birds, reptiles, amphibians, and fishes except for lampreys and hagfishes.

from The Century Dictionary.

  • noun A member of the Gnathostomata, or vertebrates having true jaws.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun zoology Any vertebrate with jaws, including amphibians, reptiles, mammals, and most modern fish.

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

  • noun a vertebrate animal possessing true jaws

Etymologies

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

[From New Latin Gnathostomata, taxon name : Greek gnathos, jaw; see genu- in Indo-European roots + Greek stoma, stomat-, mouth.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

gnatho- + -stome

Examples

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