Definition of sagittal crest in English:

sagittal crest

noun

Zoology
  • (in many mammals) a bony ridge on the top of the skull to which the jaw muscles are attached.

    • ‘The skulls of members of this family lack sagittal crests.’
    • ‘Also, a sagittal crest on the fossil Amblycoptus and Kordosia skulls has been reported.’
    • ‘They lack a sagittal crest, but prominent ridges often run along the parietals.’
    • ‘A low sagittal crest extends from the supraorbital ridges to the parietal region.’
    • ‘The pronounced ridge, called a sagittal crest, on the skull that Ammann found in 1996 is thought to be formed to support large jaw muscles, an indication of large body size.’