\Whore"dom\, n. [OE. hordom; cf. Icel. h?rd?mr.] 1. The practice of unlawful intercourse with the other sex; fornication; lewdness. 2. (Script.) The sin of worshiping idols; idolatry. O Ephraim, thou committest whoredom, and Israel is defiled; they will not . . . turn unto their God. --Hos. v. 3, 4.