[ 'gɪbəs ]
■ adjective
1》 (of the moon) having the illuminated part greater than a semicircle and less than a circle.
2》 convex or protuberant.
Derivatives
gibbosity -'bɒsɪti noun
~ly adverb
~ness noun
Origin
ME: from late L. gibbosus , from L. gibbus 'hump'.