Share this entry
buccal Syllabification: buc·cal
Pronunciation: /ˈbəkəl/

Definition of buccal in English:


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:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources