harvest moon

1. 1.

   the full moon nearest the September equinox

   Broaderfull moon

Questions about harvest moon

What does harvest moon mean?

harvest moon means "the full moon nearest the September equinox".

Is harvest moon a common word?

harvest moon is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.