potlatch

1. Up until now, potlatch to only see in North America and west North America, Melanesia and Papua.
   迄今为止，夸富宴只见于北美洲和西北美洲、美拉尼西亚和巴布亚。

noun

1. a ceremonial feast held by some Indians of the northwestern coast of North America (as in celebrating a marriage or a new accession) in which the host gives gifts to tribesmen and others to display his superior wealth (sometimes, formerly, to his own impoverishment)