Harvest-home, n.
1. The gathering and bringing home of the harvest; the time of harvest. Showed like a stubble land at harvest-home. Shak.
2. The song sung by reapers at the feast made at the close of the harvest; the feast itself. Dryden.
3. A service of thanksgiving, at harvest time, in the Church of England and in the Protestant Episcopal Church in the United States.
4. The opportunity of gathering treasure. Shak.
Shades of meaning
Fernald has no entry of its own for harvest-home; he lists it under harvest.
Where he writes about it:
Harvest-home ordinarily denotes the festival of harvest, and when used to denote simply the season always gives a suggestion of festivity and rejoicing, such as harvest and harvest-time by themselves do not express. — from harvest