governor-ess noun3 •A female governor.Marilla Ricker is running for Governor of New Hampshire. She would make an ideal governor-ess. — 1910 •The wife of a governor.He opens a ball (given by the Governor) with Lady Le Marchmont (this little fellow of 15 and the full-blown Governor-ess must have made a sweet couple). — 1859 •Rare form of governoress. formsgovernor-esses