D defs.my
Entry 6 senses Webster, 1913

Commoner

/käm'-ən-ẽr/ · Com·mon·er · IPA /ˈkɑ.mə.nɚ/
01 n. One of the common people; one having no rank of nobility.
  1. 1.
    One of the common people; one having no rank of nobility.
    “All below them [the peers] even their children, were commoners, and in the eye of the law equal to each other.” Hallam.
  2. 2.
    A member of the House of Commons.
  3. 3.
    One who has a joint right in common ground.
    “Much good land might be gained from forests . . . and from other commonable places, so as always there be a due care taken that the poor commoners have no injury.” Bacon.
  4. 4.
    One sharing with another in anything.[Obs.]
  5. 5.
    A student in the university of Oxford, Eng., who is not dependent on any foundation for support, but pays all university charges; -- at Cambridge called a pensioner. Also: pensioner
  6. 6.
    A prostitute.[Obs.]