01 n. In Ireland, a lord or proprietor of a tract of land or of a castle, elected by a family, under the system of tanistry.
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In Ireland, a lord or proprietor of a tract of land or of a castle, elected by a family, under the system of tanistry.“This family [the O'Hanlons] were tanists of a large territory within the present county of Armagh.” — M. A. Lower.