The Collaborative International Dictionary
Mistressship
Mistressship \Mis"tress*ship\, n.
Female rule or dominion.
Ladyship, a style of address; -- with the personal pronoun. [Obs.]
--Massinger.
Wiktionary
mistressship
n. 1 (context obsolete English) female rule or dominion. 2 (context obsolete English) ladyship; a style of address, used with the personal pronoun.
Usage examples of "mistressship".
At least Ysmay had had the wit and wariness to go very slow in trying to assume mistressship here.