Definitions

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

  • noun Any of various large reptilelike extinct tetrapods of the Carboniferous and Permian Periods, traditionally placed in the order Cotylosauria.

from The Century Dictionary.

  • noun Any member of the order Cotylosauria.

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

  • noun paleontology, dated A member of the Captorhinidae, the earliest group of true reptiles from the Carboniferous through the Permian.

Etymologies

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

[Greek kotulē, hollow object, socket + Greek sauros, lizard.]

Examples

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