the GNU version of the Collaborative International Dictionary of English
n. A female proprietor.
The Century Dictionary and Cyclopedia
n. A female proprietor.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a woman proprietor
Word Usage
"The proprietress is a little tight, quite relaxed, and slightly philosophical, leaning against Marlowe, who sits on a stack of Britannicas beside her, watching the window."