- 1Thanksgiving (Day) [uncountable, countable] a public holiday that is celebrated in the U.S. on the fourth Thursday in November, and in Canada on the second Monday in October. Its original purpose was to give thanks to God for the harvest and for health We always eat turkey on Thanksgiving. Are you going home for Thanksgiving? compare harvest festival
- 2[uncountable] (formal) the expression of thanks to God
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