fender

1. (US) panel of a car which encloses the wheel area, especially the front wheels.Synonyms: guard, wheel arch, wingUS

2. (US) a shield, usually of plastic or metal, on a bicycle that protects the rider from mud or waterSynonyms: mudguardUS

3. (nautical) any shaped cushion-like object normally made from polymers, rubber or wood that is placed along the sides of a boat to prevent damage when moored alongside another vessel or jetty, or when using a lock, etc. Modern variations are cylindrical although older wooden version and rubbing strips can still be found; old tyres are used as a cheap substitute