Definition of buccal in English:


Syllabification: buc·cal
Pronunciation: /ˈbəkəl


1Of or relating 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.
1.1Of or relating 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.


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

Definition of buccal in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day noisome
Pronunciation: ˈnoisəm
having an extremely offensive smell