Definition of buccal in English:

buccal

Syllabification: buc·cal
Pronunciation: /ˈbəkəl
 
/

adjective

technical
  • 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.

Origin

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

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