(among North American Indian peoples of the north-west coast) an opulent ceremonial feast at which possessions are given away or destroyed to display wealth or enhance prestige.
verb
[no object]
hold a potlatch.
Origin:
Chinook Jargon, from Nootka p'ačitł 'make a gift at a potlatch'
potlatch in other Oxford dictionaries
Definition of potlatch in the US English dictionary
