Definition of buccal in English:

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Pronunciation: /ˈbʌk(ə)l/


1Relating to the cheek: the buccal side of the molars
More example sentences
  • Examination of the intraoral tissues includes inspection and palpation of the lips, buccal mucosa, tongue, floor of the mouth, gingiva and palate.
  • Palatal width across the fourth premolar: Greatest breadth across the buccal sides of fourth premolars.
  • All cusps bulge slightly on the buccal side, leaving a broad lingual shelf.
1.1Relating to the mouth: the buccal cavity
More example sentences
  • In suction feeding, the hyobranchial apparatus is rapidly depressed while the mouth is opened, expanding the buccal cavity and drawing water and prey into the mouth.
  • The sample is either from the mouth - a buccal sample - or a prick of blood from the thumb, any of which is an injury that one would suffer in the normal event of living, and would cause minimal interference or discomfort.
  • A cephalopod is also characterized by a horny beak secreted by the walls of the buccal cavity, and a radula within the buccal cavity.


Early 19th century: from Latin bucca 'cheek' + -al.

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Line breaks: buc¦cal

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