potlatch

Từ điển Oxford Learners Wordfinder Dictionary

noun

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)
• Hypernyms:
ceremony, ceremonial, ceremonial occasion, observance, fete,
feast, fiesta