fend ‧ er /ˈfendə $ -ər/ BrE AmE noun [countable]
1 . American English the side part of a car that covers the wheels SYN wing British English
2 . a low metal wall around a ↑ fireplace that prevents burning wood or coal from falling out
3 . American English a curved piece of metal over the wheel of a bicycle that prevents water and mud from flying up SYN mudguard British English