groundsill

G2R1O1U1N1D2S1I1L1L1
/ˈɡɹaʊndsəl/

noun

A timber beam used as the foundation for a building.

OriginMiddle English groundselle →
Scrabble 12
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Meanings

noungroundsill (plural groundsills)

plural groundsills · alternative grunsel · alternative groundsel · alternative groundsell

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

Origin

  1. Middle Englishgroundselle
  2. Englishgroundsill

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

More words from Middle English

Full word history & related roots →
Cite this entry
APA

groundsill. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/groundsill

MLA

“groundsill.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/groundsill. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “groundsill,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/groundsill.

Source: groundsill on Wiktionary, CC BY-SA 4.0.