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groundsill

American  
[ground-sil] / ˈgraʊndˌsɪl /

noun

  1. the lowermost sill of a framed structure, especially one lying close to the ground.

groundsill British  
/ ˈɡraʊndˌsɪl /

noun

  1. another name for ground plate

"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

Etymology

Origin of groundsill

First recorded in 1400–50, groundsill is from the late Middle English word grownsel. See ground 1, sill

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.