Definition of dentary in English:


Syllabification: den·ta·ry
Pronunciation: /ˈdentərē

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).
    More 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'.

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