Odalisque

n. woman held in slavery or a kept woman (in the past in harems of the Middle East particularly Turkish harem); representation of an odalisque in art (such as a painting or sculpture); doxy, mistress; woman who lives together with an important man

An odalisque ( ) was a virgin female slave who could rise in status to be a concubine or a wife in Ottoman Seraglios. Most were part of the harem of the Turkish sultan.
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Noun
1. a woman who cohabits with an important man
(synonym) concubine, courtesan, doxy, paramour
(hypernym) mistress, kept woman, fancy woman

n. odalisque, odalisk, woman held in slavery or a kept woman (in the past in harems of the Middle East particularly Turkish harem); doxy, mistress; woman who lives together with an important man

(n.)
A female slave or concubine in the harem of the Turkish sultan.