having a surface that is curved or rounded outward. Compare concave ( def. 1 ) .

Mathematics .

(of a polygon) having all interior angles less than or equal to 180?.

(of a set) having the property that for each pair of points in the set the line joining the points is wholly contained in the set.

a convex surface, part, or thing.

adjective

concave , depressed , sinking

adjective

arched , bent , biconvex , bulged , bulging , bulgy , gibbous , outcurved , protuberant , raisednotes:convex (from latin convexus \'arched , vaulted\') refers to a surface that curves outward , concave (from latin concavus \'hollow\') to a surface that curves inward , bowed , curved , raised , rounded