gibbous moon

noun1

1. •
   A lunar phase either side of the full moon when the moon's disc as seen from the Earth is larger than a semicircle.

   • A bat, against the gibbous moons, Danced, implike, with its lone delight; The glowworm scrawled a golden rune Upon the dark; and, emerald-strewn, The firefly hung with lamps the night. — 1911