Split and merge into it. Answer by Wmsionline. Confidence votes 2.2K. potlatch: Ceremonial feast held by some Indians of the Northwestern coast of North America in which the host gives gifts to tribesmen and others away, the greater the value of the gifts given away, the greater the assumed wealth of the host.plit and merge into it. Answer by Wmsionline. Confidence votes 2.2K. potlatch: Ceremonial feast held by some Indians of the Northwestern coast of North America in which the host gives gifts to tribesmen and others away, the greater the value of the gifts given away, the greater the assumed wealth of the host.