Merriam-Webster's Collegiate® Dictionary, 11th Edition
WHORE
I. noun see: charity Date: before 12th century a woman who engages in sexual acts for money ; prostitute , a male who engages in sexual acts for money, a venal or unscrupulous person,
II. verb (whored; whoring)
Date: 1554
intransitive verb to have unlawful sexual intercourse as or with a whore, to pursue a faithless, unworthy, or idolatrous desire, transitive verb to corrupt by lewd intercourse ; debauch