[ex.te.ri.or] adj [L, compar. of exter, exterus being on the outside, foreign, fr. ex] (1528) 1: being on an outside surface: situated on the outside
2: observable by outward signs "his ~ quietness is belied by an occasional nervous twitch --Current Biog."
3: suitable for use on outside surfaces -- ex.te.ri.or.ly adv
[2]exterior n (1591) 1 a: an exterior part or surface: outside b: outward manner or appearance
2: a representation (as on stage or film) of an outdoor scene; also: a scene filmed outdoors