noun, plural seign·ior·ies.
- the power or authority of a seignior.
- History/Historical. a lord’s domain.
noun plural -gniories or -gnories
- less common names for a seigneury
- (in England) the fee or manor of a seignior; a feudal domain
- the authority of a seignior or the relationship between him and his tenants
- a body of lords