Rail | Mean of rail in English Dictionary

/ˈreɪl/

• Noun
• a bar that goes from one post or support to another and that is used to form a barrier
1. She leaned over the rail of the ship.
2. We sat on the fence rail and watched the cows.
• a bar used to hang something from
1. He hung the curtains on the rail.
• one of the bars of steel that form a train's track
1. The train went off the rails. = (chiefly Brit) The train jumped the rails.

• to lose control and start to behave in a way that is not normal or acceptable
1. He was a promising student but he went off the rails after he started taking drugs.
2. The government has gone (completely) off the rails.
• Verb
• to use rails to create a barrier around or at the edge of (something)
1. They've railed off [=(more commonly) fenced off] the garden.
• to complain angrily about something
1. old men railing at/against the government
2. The workers railed about the unfair treatment they'd received.