What is the meaning of Buccal?

Of, relating to, near, involving, or supplying the cheek.

Of, relating to, or lying in the mouth.

Administered in the mouth, not by swallowing but by absorption through the skin of the cheek; often by placing between the top gum and the inside of the lip.

supralaryngeal, not laryngeal or glottal.

buccal (of, relating to, or lying in the mouth)

Source: wiktionary.org