1. Being within
any limits, inclosure, or stuff; internal; inside; inner; opposed to exterior, or superficial; as, the interior
apartments of a home; the interior
surface of a hollow
2. Remote from the limits, frontier, or shore; inland; as, the interior
parts of a region
Interior angle, those planets within the orbit of the land. Interior screw, a screw cut on an interior surface, as in a nut; a female screw.
Synonym: Inside, internal, inner, inland, inward.
Origin: L, compar. Fr. Inter between: cf. F. Interieur. See Inter-, and cf. Intimate.
Source: Websters Vocabulary