Tanist
Pronunciation : Tan"ist
Part of Speech : n.
Etymology : [Ir. tanaiste, tanaise, second, the second person in rank, the presumptive or apparent heir to a prince.]
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913