windowsill
noun[C]
uk/ˈwɪn.dəʊ.sɪl/us/ˈwɪn.doʊ.sɪl/(alsowindow ledge)ashelfbelow awindow, either inside oroutsideabuilding:
窗台;窗沿He has a fewplantsinpotson the windowsill.他在窗台上放了几盆植物。

Juliette Wade/Photolibrary/GettyImages
Parts of buildings: windows & parts of windows
- architrave
- bay window
- bi-fold
- bow window
- casement
- fanlight
- glasssomethingin/over
- glaze
- glazed
- glazing
- mullioned
- multi-paned
- pane
- picture window
- rose window
- sill
- skylight
- storm window
- transom
- triple glazing