Definitions

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

  • noun A type of immovable articulation, as of a tooth inserted into its bony socket.

from The Century Dictionary.

  • noun A kind of synarthrosis or immovable articulation in which one part enters into another like a peg or nail.

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

  • noun (Anat.) A form of union or immovable articulation where a hard part is received into the cavity of a bone, as the teeth into the jaws.

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

  • noun anatomy a type of fibrous, immovable joint such as the one between the teeth and the alveolar bone

Etymologies

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

[Greek gomphōsis, from gomphoun, to fasten with bolts, from gomphos, bolt; see gembh- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From the Greek γόμφος, meaning peg.

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