01 a. External; outward; pertaining to that which is external; -- opposed to interior; as, the exterior part of a sphere.
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1.
External; outward; pertaining to that which is external; -- opposed to interior; as, the exterior part of a sphere.“Sith nor the exterior nor the inward man Resemble that it was.” — Shak.
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2.
External; on the outside; without the limits of; extrinsic; as, an object exterior to a man, opposed to what is within, or in his mind.“Without exterior help sustained.” — Milton.
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3.
Relating to foreign nations; foreign; as, the exterior relations of a state or kingdom.
Phrases & compounds
Exterior angle —
the angle included between any side of a triangle or polygon and the prolongation of the adjacent side; also, an angle included between a line crossing two parallel lines and either of the latter on the outside.
Exterior side —
the side of the polygon upon which a front of fortification is formed.