1. Being within any limits, inclosure, or substance; inside; internal; inner; opposed to exterior, or superficial; as, the interior apartments of a house; the interior surface of a hollow ball.
2. Remote from the limits, frontier, or shore; inland; as, the interior parts of a region or country.
(Science: medicine) interior angle, those planets within the orbit of the earth. Interior screw, a screw cut on an interior surface, as in a nut; a female screw.
Synonym: internal, inside, inner, inland, inward.
Origin: L, compar. Fr. Inter between: cf. F. Interieur. See inter-, and cf. Intimate.