pot·latch /ˈpɑtˌlæʧ/
  冬節
  Pot·latch 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]
  ◄ ►