outrunner

/AW0 T R AH1 N ER0/
noun
  1. 1

    One who outruns.

  2. 2

    A person or animal who accompanies a vehicle or procession but who is not seated in the vehicle or part of the procession.

  3. 3

    An offshoot; a branch.

  4. 4

    An electric motor having the rotor outside the stator.