Definition of "buccal" [buc•cal]

• Of or relating to the cheeks or the mouth cavity. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "It usually involves just a little swab, what we call a buccal swab."
• "The pills I will take tomorrow arent swallowed, they are "buccal" which means you leave them in the side of your cheek until they dissolve. ewww... apparently they taste gross."
• "® Technology can be applied to the oral route of administration as well other delivery pathways, such as buccal, rectal, inhalation, intra-vaginal or transdermal."