- another name for ground plate
WordReference Random House Unabridged Dictionary of American English © 2026
ground•sill
(ground′sil′),USA pronunciation n.
- the lowermost sill of a framed structure, esp. one lying close to the ground.
- late Middle English grownsel. See ground1, sill 1400–50
Collins Concise English Dictionary © HarperCollins Publishers::
groundsill /ˈɡraʊndˌsɪl/ n
'groundsill' also found in these entries (note: many are not synonyms or translations):