Groundsill

Pronunciation

• IPA: /ˈɡraÊŠndsÉ™l/

Alternative forms

• grunsel (obsolete)
• groundsel

Origin

Apparently from ground + sill.

Full definition of groundsill

Noun

1. (rare) A timber beam used as the foundation for a building.
2. The lowest beam of a door-frame; the threshold.