Definitions

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

  • noun Any of various extinct early archosaurs that existed in the Permian and Triassic Periods and had teeth set in sockets rather than attached directly to the jaw. The group Thecodontia in which they were once placed is no longer in scientific use.

from The Century Dictionary.

  • Having the teeth lodged in alveoli: said of certain Lacertilia, as distinguished from those whose dentition is acrodont or pleurodont.
  • noun A thecodont lizard.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Paleon.) One of the Thecodontia.
  • adjective (Anat.) Having the teeth inserted in sockets in the alveoli of the jaws.
  • adjective (Paleon.) Of or pertaining to the thecodonts.

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

  • noun paleontology, archaic Any of the Thecodontia (a former group of archosaurs).

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

  • noun presumably in the common ancestral line to dinosaurs and crocodiles and birds

Etymologies

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

[New Latin Thēcodontia, order name : Greek thēkē, chest, sheath; see dhē- in Indo-European roots + Greek -odōn, -odont-, -odont.]

Examples

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