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[buhk-uh l] /ˈbʌk əl/
adjective, Anatomy
of or relating to the cheek.
pertaining to the sides of the mouth or to the mouth; oral.
Dentistry. directed toward the cheek.
Compare distal (def 2), mesial (def 2).
Origin of buccal
1825-35; (< F) < Latin bucc(a) (see bucco-) + -al1
Related forms
buccally, adverb
postbuccal, adjective
prebuccal, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for buccal
  • buccal swab kit, instructions, and a self-addressed envelope in which to return your cheek swab sample.
  • Along its line of attachment to the buccal epithelium is a shallow groove, the dental furrow.
  • The buccal cavity of the electric eel may breathe air.
British Dictionary definitions for buccal


of or relating to the cheek
of or relating to the mouth; oral: buccal lesion
Word Origin
C19: from Latin bucca cheek
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for buccal

"pertaining to the cheek," 1831, from Latin bucca "cheek," especially when puffed out (later "mouth"); see bouche.

Online Etymology Dictionary, © 2010 Douglas Harper
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buccal in Medicine

buccal buc·cal (bŭk'əl)

  1. Of, relating to, adjacent to, or in the direction of the cheek.

  2. Of or relating to the mouth cavity.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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