Word Type

Noun

Proper Noun

Adjective

The word "sill" can be used as noun, proper noun and adjective.

Word Relationships

Coordinate Terms

ground plate groundsill mudsill sole sole plate

Derived Terms

cross-sill doorsill groundsill mudsill silled trip sill windowsill

Etymologically Related To

sile thill

Context

anatomy architecture construction geology historical military uk

Broader Terms (Hypernyms)

rock stone structural member

Type Of (IsA)

land topographical feature natural thing river rock structural member

Related Terms

lintel plate sense #13

Related Terms

aperture base carriage earth fast embrasure foundation groundsill herring lintel mudsill nasal piling plate shaft skull slat thill timber framing window

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.