The Collaborative International Dictionary
Postmastership \Post"mas`ter*ship\, n. The office of postmaster.
Wiktionary
n. The office or position of postmaster.
Usage examples of "postmastership".
As soon as I heard the San Francisco postmastership was vacant, I made up my mind to get it--and here I am.
At all events he kept his anti-war opinions to himself and, except that his hatred for the captain was more virulent than ever since the affair of the postmastership, he found little fault with the war preparations in the village, the organizing of a Home Guard, the raising of funds for a new flag and flagpole and the recruiting meeting in the town hall.
POSTMASTER-GENERAL SIR:-Yesterday little indorsements of mine went to you in two cases of postmasterships sought for widows whose husbands have fallen in the battles of this war.
I had my way, I would put a clause in the Constitution giving all third-class postmasterships to third-class editors, anyway.