- A metal or plastic enclosure over the wheels of an automobile or other vehicle to protect against splashing mud, etc.
- A device on the front of a streetcar or locomotive to catch or push aside anything on the track.
- A low screen or frame in front of a fireplace to keep the hot coals in.
- A pad or cushion of canvas, rope, wood, etc. hung over a ship's side to protect it when going alongside a pier or another ship.