English edit

Noun edit

109 (plural 109s)

  1. (dated, informal, military, World War II) The German Messerschmitt 109 fighter aircraft.
    • 1998, Middle Tenessee WWII Fighter Pilots Association, Missions Remembered: Recollections of the World War II Air War, page 68:
      Four 109s were spotted and attacked. After a dogfight, all four had been shot down. Three crashed on the same field.