Definition of cantrail in English:

cantrail

noun

British
  • A piece of metal or timber supporting the roof of a railway carriage.

    • ‘To optimise resistance to shocks, the cantrail / chassis is carried out by both bolting and adhesive bonding.’
    • ‘The reinforcement part is a forged aluminum component which is bolted to the cantrail and welded to the door and window posts.’
    • ‘Aluminium cantrails are made of extruded aluminium for lightness and anodised to eliminate oxidation.’
    • ‘The old cantrail on the fitting side of the coach has been cut in two places to create three shorter sections.’
    • ‘Note also the the more pronounced angle in the metal fitted over the cantrails and at the perimeter of the roof.’

Origin

Late 19th century: from cant + rail.

Pronunciation

cantrail

/ˈkantreɪl/