Harvest-moon meaning
The full moon that occurs nearest the autumnal equinox.
noun
The full moon at or about the time of the autumnal equinox.
noun
The full moon nearest the autumn equinox, when the moon rises the latest and lowest in the sky and seems to appear the biggest, as seen from the Northern Hemisphere.
noun
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Origin of harvest-moon
- Extra light provides longer hours for the harvesting that occurs in the Northern Hemisphere at this time of year.
From Wiktionary