Bottom window frame
Cill is a variant spelling of sill, the horizontal base of a window or door frame.
The spelling appears mainly in British technical and architectural contexts: The window cill showed signs of water damage.
Most writers use sill.
Point of beginning
glazing · frame · mullion · transom · casement · jamb · lintel · architrave · fenestration · double-glazing
IDEA.org / Words / cill
Bottom window frame
Cill is a variant spelling of sill, the horizontal base of a window or door frame.
The spelling appears mainly in British technical and architectural contexts: The window cill showed signs of water damage.
Most writers use sill.
1. window — threshold, Point of beginning; ledge (Projecting horizontal surface); sash (Waist-worn cloth strip); pane (Sheet of glass); glazing · frame · mullion · transom · casement · jamb · lintel · architrave · fenestration · double-glazing
VERTICAL POSITION IN AN OPENINGcill ≠ lintel Beam over an opening; head · header · transom · architrave
silly, silliness, sill, windowsill, sills, doorsill
Word data: Linguabase (CC0) · www.idea.org/words/cill