Definition of dentary in English:

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Pronunciation: /ˈdɛnt(ə)ri/

noun (plural dentaries)

The anterior bone of the lower jaw which bears the teeth. In mammals it forms the whole of the lower jaw (or mandible).
Example sentences
  • Associated remains found with this skeleton consist of acid - etched vertebrae and a fragmentary dentary from juvenile hadrosaur dinosaurs.
  • During mammalian evolution, the lower jaw became just one bone, the dentary, with the articular no longer attached to the lower jaw.
  • Mammals are unique among extant vertebrates in possessing a lower jaw formed by a single bony element, the dentary.


Mid 19th century: from late Latin dentarius, from Latin dens, dent- 'tooth'.

For editors and proofreaders

Line breaks: den|tary

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