Definition of buccal
1
: of, relating to, near, involving, or supplying a cheek
the buccal surface of a tooth the buccal branch of the facial nerve
2
: of, relating to, involving, or lying in the mouth
the buccal cavity
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Merriam-Webster unabridged
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Time Traveler for buccal
The first known use of buccal was circa 1721
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