noun An informal, usually well-publicized sexual companion of a monarch, aristocrat, celebrity, etc.
noun A ship accompanying another.
noun Association or partnership.
noun A group or company, especially of musicians playing the same type of instrument.
noun Harmony of sounds; concert, as of musical instruments.
adjective of a title, by virtue of one's (living) spouse; often contrasted with regnant and dowager
Queen Elizabeth The Queen Mother took on nearly as many duties as queen dowager, after her husband's death, as she had had when she was queen consort during his reign.