gibbous
Concise Oxford English Dictionary © 2008 Oxford University Press:
gibbous /ˈgɪbəs/
▶adjective
- 1 (of the moon) having the illuminated part greater than a semicircle and less than a circle.
- 2 convex or protuberant.
– derivatives
gibbosity /-ˈbɒsɪti/ noun,
gibbously adverb,
gibbousness noun.
gibbosity /-ˈbɒsɪti/ noun,
gibbously adverb,
gibbousness noun.
– origin ME: from late L. gibbosus, from L. gibbus ‘hump’.
'gibbous' also found in these Oxford entries:

