adj. of a planet or the moon rounded outward at both edges; between half full and full in illumination
The gibbous moon appears a few days after the full moon.
The gibbous moon appears a few days after the full moon.
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A waxing gibbous moon appears high in the east at sunset.
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more than half moon; less then full; not half full
full moon
2 syllables
gib-bous
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