the expression of gratitude, especially to God
he offered prayers in thanksgiving for his safe arrival
he described the service as a thanksgiving
(in North America) an annual national holiday marked by religious observances and a traditional meal. The holiday commemorates a harvest festival celebrated by the Pilgrim Fathers in 1621, and is held in the US on the fourth Thursday in November. A similar holiday is held in Canada, usually on the second Monday in October
families gather for Thanksgiving
I hope you all have a wonderful Thanksgiving
a Thanksgiving dinner