Potlatch

Part of speech: noun (n.)

1. Among the Kwakiutl, Chimmesyan, and other Indians of the northwestern coast of North America, a ceremonial distribution by a man of gifts to his own and neighboring tribesmen, often, formerly, to his own impoverishment. Feasting, dancing, and public ceremonies accompany it.

2. Hence, a feast given to a large number of persons, often accompanied by gifts. [Colloq., Northwestern America]