a railroad air brake operated by compressed air.
Origin of Westinghouse brake
named after G. Westinghouse, its inventor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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
Word Origin for Westinghouse brake
named after George Westinghouse (1846–1914), US inventor and manufacturer
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