guard rail
noun /ˈɡɑːd reɪl/
/ˈɡɑːrd reɪl/
- a bar placed on the edge of a path, a boat, etc. to protect people and prevent them falling over the edgeTopics Transport by waterc2
- (North American English) (British English crash barrier)a strong low fence or wall at the side of a road or between the two halves of a major road such as a motorway or interstateTopics Transport by car or lorryc2