groundsill

English

Alternative forms

• grunsel (obsolete)
• groundsel
• groundsell

Etymology

From Middle English groundselle, ground sille, equivalent to ground +‎ sill.

Pronunciation

• IPA^(key): /ˈɡɹaʊndsəl/

Noun

groundsill (plural groundsills)

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