Convex

a.	1.	Rising or swelling into a spherical or rounded form; regularly protuberant or bulging; - said of a spherical surface or curved line when viewed from without, in opposition to concave. Drops of water naturally form themselves into figures with a convex surface. - Whewell. Double convex convex on both sides; convexo-convex.
n.	1.	A convex body or surface. Half heaven's convex glitters with the flame. - Tickell.

Adj.

1.

convex - curving or bulging outward Synonyms: bulging Antonyms: concave - curving inward

arched, arciform, arclike, arcual, bandy, bellied, bellylike, bowed, bowlike, bulging, concave, convexed, embowed, excurvate, excurvated, excurved, gibbose, gibbous, humpbacked, humped, humpy, hunched, hunchy, out-bowed, oxbow, rotund, round, rounded, rounded out, vaulted