cantrail
noun/kæntˈɹeɪl/
Etymology From cant + rail.
1
Rail transport, Railways, Transport UK A length of metal (earlier timber) supporting the outer edge of the roof of a railway carriage; also found on locomotives, buses and coaches.
- As was briefly reported last month, the S.R. is experimenting with the Continental method of making the class of train accommodation more conspicuous by painting a coloured strip below the cantrail of the coaches.1960 March, “Talking of Trains: "Rainbow" trains on the S.R.”, in Trains Illustrated, page 135: