a long, narrow, multiple spring composed of several layers of spring metal bracketed together: used in some suspension systems of carriages and automobiles.
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Origin of leaf spring
First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for leaf spring
one of a number of metal strips bracketed together in length to form a compound spring
the compound spring so formed
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