Gibbous

ˈɡɪbəs

adjective

having the observable illuminated part greater than a semicircle and less than a circle; convex or protuberant

The term 'gibbous' is commonly used in astronomy to describe the phase of the moon when it is more than half but less than fully illuminated. It can also be used to describe a shape that is swollen or bulging.

"Meantime the herdsman hero shifts his place, To find fresh pasture and untrodden grass. Thrice at the cavern's mouth he pull'd in vain, And, panting, thrice desisted from his pain. A pointed flinty rock, all bare and black, Grew gibbous from behind the mountain's back; Owls, ravens, all ill omens of the night, Here built their nests, and hither wing'd their flight. The leaning head hung threat'ning o'er the flood, And nodded to the left. For these deserts, and this high virtue shown, Ye warlike youths, your heads with garlands crown: Fill high the goblets with a sparkling flood, And with deep draughts invoke our common god."

Virgil

The Aeneid

The stars and the gibbous moon demanded to be looked at, and when one meteorite had streaked across the sky, you could not help waiting, open-eyed and alert, for the next.

Aldous Huxley

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