prostitute

Concise Oxford English Dictionary © 2008 Oxford University Press:
prostitute/ˈprɒstɪtjuːt/

▶noun a person, typically a woman, who engages in sexual activity for payment. ▶verb (often prostitute oneself)

• 1 offer (someone) as a prostitute.

• 2 put to an unworthy or corrupt use for the sake of gain.

– derivatives
prostitution noun,
prostitutor noun.

– origin C16 (as v.): from L. prostitut-, prostituere ‘expose publicly, offer for sale’.