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>
Origin of buccal
Latin bucca cheek
First Known Use: 1720
Seen and Heard
What made you want to look up buccal? Please tell us where you read or heard it (including the quote, if possible).