Definitions of fender:

• noun:   a barrier that surrounds the wheels of a vehicle to block splashing water or mud

  Example: "In England they call a fender a wing"

• noun:   a low metal guard to confine falling coals to a hearth
• noun:   an inclined metal frame at the front of a locomotive to clear the track
• noun:   a cushion-like device that reduces shock due to contact
• name:  A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #4905)