nonarius

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

nōnārĭus, a, um, adj. [nonus],

of or belonging to the ninth hour .—As subst.: nonaria , ae, f. (sc. meretrix), a public prostitute (so called because not allowed to show herself before the ninth hour of the day), Pers. 1, 133.