Thanksgiving Dinner

thanks·giv·ing
ˌTHaNGksˈɡiviNG/
noun
1.
the expression of gratitude, especially to God.
"he offered prayers in thanksgiving for his safe arrival"
2.
(in North America) an annual national holiday marked by religious observances and a traditional meal including turkey. The holiday commemorates a harvest festival celebrated by the Pilgrims 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.

din·ner
ˈdinər/
noun
1.
the main meal of the day, taken either around midday or in the evening.
2.
a formal evening meal, typically one in honor of a person or event

Thanksgiving Dinner[en.wikipedia.org]
Thanksgiving Dinner[www.foodnetwork.com]
Thanksgiving Dinner[www.theavtimes.com]