noun

1. a North American Indian medicine man or priest
2. among North American Indians, a ceremony to conjure the cure of disease, success in war, etc., marked by feasting, dancing, etc.
3. a conference of or with North American Indians
4. Informal any conference or gathering

Etymology: < Narragansett & Massachusett powwaw, priest, orig., prob. “he dreams”

intransitive verb

1. to hold a powwow
2. Informal to confer