RhymeZone: buccally definitions

Definitions of buccally:

adverb: In a buccal manner, such as:
adverb: (dentistry, medicine, referring to force, movement, or both) In the buccal direction; toward the cheek.
adverb: (dentistry, medicine) Via buccal administration; via absorption through the mucosa of the cheek.

(Definitions from Wiktionary)