PARAMOUR

concubine, courtesan, doxy, paramour

(noun) a woman who cohabits with an important man

Source: WordNet® 3.1

Etymology

Noun

paramour (plural paramours)

(somewhat, archaic) An illicit lover, either male or female.

Synonyms: leman, mistress, Thesaurus:mistress

(obsolete) The Virgin Mary or Jesus Christ (when addressed by a person of the opposite sex).

Adverb

paramour (not comparable)

(obsolete, of loving, etc.) Passionately, out of sexual desire. [from 14^thc.]

Synonyms: devotedly, passionately

Source: Wiktionary

Par"a*mour, n. Etym: [F. par amour, lit., by or with love. See 2d Par, and Amour.]

1. A lover, of either sex; a wooer or a mistress (formerly in a good sense, now only in a bad one); one who takes the place, without possessing the rights, of a husband or wife; -- used of a man or a woman. The seducer appeared with dauntless front, accompanied by his paramour Macaulay.

2. Love; gallantry. [Obs.] "For paramour and jollity." Chaucer.

Par"a*mour`, Par"a*mours`, adv.

Definition: By or with love, esp. the love of the sexes; -- sometimes written as two words. [Obs.] For par amour, I loved her first ere thou. Chaucer.

Source: Webster’s Unabridged Dictionary 1913 Edition