groundsill

American

[ground-sil] / ˈgraʊndˌsɪl /

noun

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

groundsill British

/ ˈɡraʊndˌsɪl /

noun

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