margravate
Noun
Meaning
Alt. of Margraviate
Source: Webster's dictionaryExamples
Constant feuding with the nobility of Brandenburg led Frederick to withdraw to his castle at Cadolzburg in 1425 and transfer the regency of the margravate to his son John in 1426 (Frederick, however, remained elector).
The king awarded him the formal enfeoffment of the margravate on 18 April 1417.