Wikipedia
Meretrix
A meretrix (plural: meretrices) was a registered prostitute in ancient Rome. Unregistered prostitutes fell under the broad category prostibulae.
Usage examples of "meretrix".
Instead I wanted them both, and Thecla, and the nameless meretrix who had feigned to be Thecla in the House Azure, and her friend who had taken the part of Thea, the woman I had seen on the stair in the House Absolute.
When a lord wants to be served, his meretrix strips down and services him.