a railroad air brake operated by compressed air.
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How to use Westinghouse brake in a sentence
The Westinghouse brake has been made to comply thoroughly with the Board of Trade conditions.
British Dictionary definitions for Westinghouse brake
a braking system, invented by Westinghouse in 1872 and adopted by US railways, in which the brakes are held off by compressed air in the operating cylinder: controlled leakage of the air or a disruptive emergency causes the brakes to be applied. The system is used on most heavy vehicles and is replacing the vacuum system on many railways
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012