1》 of or situated on the inside.
↘inside the body.
↘existing within an organization.
↘relating to affairs and activities within a country: ~ flights.
2》 experienced in one's mind: ~ feelings.
3》 Brit. (of a student) attending a university as well as taking its examinations.
■ noun ( ~s ) inner parts or features.
C16: from mod. L. ~is , from L. internus 'inward, ~'.