Meaning of sill
Pronunciation: (sil), [key]
- a horizontal timber, block, or the like serving as a foundation of a wall, house, etc.
- the horizontal piece or member beneath a window, door, or other opening. See diag. under
- a tabular body of intrusive igneous rock, ordinarily between beds of sedimentary rocks or layers of volcanic ejecta.
- sill (Thesaurus)