fend·er 
(fĕndər)
(fĕndər)n.
1.
a. A guard over each wheel of a motor vehicle, for example, that is shaped and positioned so as to block the splashing of water or mud.
b. A device at the front end of a locomotive or streetcar designed to push aside obstructions.
2. A cushioning device, such as a bundle of rope or a piece of timber, used on the side of a vessel or dock to absorb impact or friction.
3. A screen or metal framework placed in front of a fireplace to keep hot coals and debris from falling out.