archdukedom


arch·duke

A0405800 (ärch-do͞ok′, -dyo͞ok′)n.1. In certain royal families, especially that of imperial Austria, a nobleman having a rank equivalent to that of a sovereign prince.2. Used as a title for such a nobleman.
[Obsolete French archeduc : arche-, arch- (from Old French; see arch-1) + duc, duke (from Old French; see duke).]
arch·duke′dom n.

archdukedom

(ɑːtʃˈdjuːkdəm) nthe territory ruled by an archduke or archduchessthe position or rank of an archduke