Possible Definitions:
1. Internal (a.) Inward; interior; being within any limit or surface; inclosed; -- opposed to external; as, the internal parts of a body, or of the earth.
2. Internal (a.) Derived from, or dependent on, the thing itself; inherent; as, the internal evidence of the divine origin of the Scriptures.
3. Internal (a.) Pertaining to its own affairs or interests; especially, (said of a country) domestic, as opposed to foreign; as, internal trade; internal troubles or war.
4. Internal (a.) Pertaining to the inner being or the heart; spiritual.
5. Internal (a.) Intrinsic; inherent; real.
6. Internal (a.) Lying toward the mesial plane; mesial.
