groundsill

[ ground-sil ]
/ ˈgraʊndˌsɪl /

noun

the lowermost sill of a framed structure, especially one lying close to the ground.
Also groundsel.
Also called ground beam, ground plate.

Origin of groundsill

First recorded in 1400–50, groundsill is from the late Middle English word grownsel. See ground1, sill

Words nearby groundsill

groundsel, groundsel tree, groundshare, groundsheet, groundside, groundsill, groundskeeper, groundsman, groundspeed, groundswell, groundwater

British Dictionary definitions for groundsill

groundsill
/ (ˈɡraʊndˌsɪl) /

noun

another name for ground plate