In singular form, Queen may refer to: In government and monarchy: » See also Queen regnant, a female monarch, equivalent to the male title king; she's referred to informally in the third person as "The Queen" Queen consort, the wife of a reigning king Queen dowager, a former queen consort whose husband has died or abdicated Queen mother, either a queen dowager, or a queen regnant who has abdicated, whose son or daughter has become the monarch Elizabeth II of the United Kingdom Margrethe I… (More on Queen)