nightrider

/N AY1 T R AY0 D ER0/
noun
  1. 1

    (historical, chiefly US) A member of a vigilante group that carried out nighttime raids.

  2. 2

    (historical, US, often capitalized) A member of the Ku Klux Klan, especially during the Reconstruction Era.

  3. 3

    (chess) A fairy chess piece which moves in the direction of the knight any number of times.