gibbous
adjective /ˈɡɪbəs/
/ˈɡɪbəs/
(specialist)- (of the moon) with the bright part bigger than a semicircle and smaller than a circleOxford Collocations DictionaryGibbous is used with these nouns:
- moon
Word Originlate Middle English: from late Latin gibbosus, from Latin gibbus ‘hump’.