vestal
/ˈvɛs.t(ə)l/
noun
Meaning
A virgin consecrated to Vesta, and to the service of watching the sacred fire, which was to be perpetually kept burning upon her altar; a vestal virgin.
A female virgin; a woman who has never had sexual relations.
A nun.
adjective
Meaning
Of or pertaining to Vesta, the virgin goddess of the hearth.
Pure; chaste.