Law. a beneficial interest for each member of an Indian tribe in the tribal trust fund accruing from the lease of tribal oil, gas, and mineral rights, the sale of tribal lands, etc.
American History. a grant of land, usually 50 acres to a settler, given by certain colonies and companies in the 17th and 18th centuries.
Origin of headright
An Americanism dating back to 1695–1705;head + right
