D defs.my
Entry 1 sense Webster, 1913

Tanist

· Tan·ist · IPA /ˈtænɪst/
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.
  1. 1.
    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.