From WordNet (r) 3.0 (2006) [wn]:
prostitution
n 1: offering sexual intercourse for pay [syn: prostitution,
harlotry, whoredom]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Prostitution \Pros`ti*tu"tion\, n. [L. prostitutio: cf. F.
prostitution.]
1. The act or practice of prostituting or offering the body
to an indiscriminate intercourse with men; common lewdness
of a woman.
[1913 Webster]
2. The act of setting one's self to sale, or of devoting to
infamous purposes what is in one's power; as, the
prostitution of abilities; the prostitution of the press.
"Mental prostitution." --Byron.
[1913 Webster]