Electricity. a metal plate for making a ground connection to the earth.
Building Trades. groundsill.
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Origin of ground plate
First recorded in 1655–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for ground plate
a joist forming the lowest member of a timber frameAlso called: groundsill, soleplate
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