a joist forming the lowest member of a timber frame
Also called: groundsill, soleplate
WordReference Random House Unabridged Dictionary of American English © 2026
ground′ plate′,
- [Elect.]a metal plate for making a ground connection to the earth.
- [Building Trades.]groundsill.
- 1655–65
Collins Concise English Dictionary © HarperCollins Publishers::
'ground plate' also found in these entries (note: many are not synonyms or translations):