windowsill

W4I1N1D2O1W4S1I1L1L1
UK/ˈwɪndəʊˌsɪl/UK/ˈwɪndəˌsɪl/US/ˈwɪndoʊˌsɪl/

noun

The horizontal member protruding from the base of a window frame.

UncommonScrabble 17

Meanings

nounwindowsill (plural windowsills)

plural windowsills · alternative window sill · alternative window-sill

  1. architectureThe horizontal member protruding from the base of a window frame.

    An upscale version of this tried and true method of providing windowsill humidity is the use of plastic 'egg crating' instead of gravel.

    1991, Bob Gordon, Orchid Seedling Care: With Special Emphasis on Water Quality
    3 more examples

    You could tell summer was coming because people were drinking on the street, searching for spaces on the windowsills of the pub to balance their beerglasses.

    2001, Christopher Fowler, The Devil in Me, page 12

    north-facing rooms: These rooms receive the least light if you live up north, so choose plants that can endure low-light conditions and keep them directly on the windowsill. Some suggestions include pothos, philodendrons, arrowheads, Chinese evergreens, peace lilies and zamioculcas (or “ZZ”).

    2015, Nathan Williams, The Kinfolk Home: Interiors for Slow Living, Artisan Books, →ISBN, page 277

    The most unreliable joints are in connections between the wall with ceilings and roofing, esconson of windows, places under the windowsills, exits to the balcony or veranda...

    2017, Irina Maltseva, Aleksandr Elokhov, Konstantin Tkachuk, Kseniia Maltceva, “Design without thermal bridges”, in 9th International Scientific Conference Building Defects

Origin

  1. Proto-Indo-European*h₂weh₁-
  2. Proto-Indo-European*h₂wḗh₁ti
  3. Proto-Indo-European*h₂wéh₁n̥ts
  4. Proto-Germanic*windaz
  5. Old Norsevindr
  6. Proto-Indo-European*h₃ekʷ-
  7. Proto-Germanic*augô
  8. Proto-Norse*ᚨᚢᚷᚨ (*auga)
  9. Old Norseauga
  10. Old Norsevindauga
  11. Middle Englishwyndowe
  12. Englishwindow
  13. Proto-Germanic*sulī
  14. Old Englishsyll
  15. Middle Englishsille
  16. Englishsill
  17. Englishwindowsill

From window + sill.

Full word history & related roots →

Translations

Catalan ampit
  • ampitthe horizontal member protruding from the base of a window frame
Chinese Mandarin 窗臺 /窗台
  • 窗臺 /窗台 (chuāngtái)the horizontal member protruding from the base of a window frame
Czech okenní parapet, parapet
  • okenní parapetthe horizontal member protruding from the base of a window frame
  • parapetthe horizontal member protruding from the base of a window frame
Danish vindueskarm
  • vindueskarmthe horizontal member protruding from the base of a window frame
Dutch vensterbank, onderdorpel
  • vensterbankthe horizontal member protruding from the base of a window frame
  • onderdorpelthe horizontal member protruding from the base of a window frame
Esperanto fenestrosojlo, fenestrobreto
  • fenestrosojlothe horizontal member protruding from the base of a window frame
  • fenestrobretothe horizontal member protruding from the base of a window frame
Estonian aknalaud
  • aknalaudthe horizontal member protruding from the base of a window frame
Finnish ikkunalauta
  • ikkunalautathe horizontal member protruding from the base of a window frame
French appui de fenêtre
  • appui de fenêtrethe horizontal member protruding from the base of a window frame
German Fensterbank, Fensterbrett
  • Fensterbankthe horizontal member protruding from the base of a window frame
  • Fensterbrettthe horizontal member protruding from the base of a window frame
  • Brüstungthe horizontal member protruding from the base of a window frame
  • Simsthe horizontal member protruding from the base of a window frame
  • Fensterbrüstungthe horizontal member protruding from the base of a window frame
Hungarian ablakpárkány, ablakdeszka
  • ablakpárkánythe horizontal member protruding from the base of a window frame
  • ablakdeszkathe horizontal member protruding from the base of a window frame
  • könyöklőthe horizontal member protruding from the base of a window frame
  • párkánythe horizontal member protruding from the base of a window frame
Icelandic gluggakista
  • gluggakistathe horizontal member protruding from the base of a window frame
Irish leac fuinneoige, tairseach fuinneoige
  • leac fuinneoigethe horizontal member protruding from the base of a window frame
  • tairseach fuinneoigethe horizontal member protruding from the base of a window frame
  • urlár fuinneoigethe horizontal member protruding from the base of a window frame
Italian davanzale
  • davanzalethe horizontal member protruding from the base of a window frame
Japanese 窓台
  • 窓台 (madodai)the horizontal member protruding from the base of a window frame
Korean 창턱
  • 창턱 (changteok)the horizontal member protruding from the base of a window frame
Latvian palodze
  • palodzethe horizontal member protruding from the base of a window frame
Lithuanian palángė
  • palángėthe horizontal member protruding from the base of a window frame
Norwegian Bokmål vinduskarm
  • vinduskarmthe horizontal member protruding from the base of a window frame
Polish parapet, podokiennik
  • parapetthe horizontal member protruding from the base of a window frame
  • podokiennikthe horizontal member protruding from the base of a window frame
Portuguese parapeito
  • parapeitothe horizontal member protruding from the base of a window frame
Romanian pervaz
  • pervazthe horizontal member protruding from the base of a window frame
Russian подоко́нник
  • подоко́нник (podokónnik)the horizontal member protruding from the base of a window frame
Scottish Gaelic oir uinneig, sòla uinneige
  • oir uinneigthe horizontal member protruding from the base of a window frame
  • sòla uinneigethe horizontal member protruding from the base of a window frame
Slovak parapet
  • parapetthe horizontal member protruding from the base of a window frame
Spanish antepecho, repisa
  • antepechothe horizontal member protruding from the base of a window frame
  • repisathe horizontal member protruding from the base of a window frame
  • alféizarthe horizontal member protruding from the base of a window frame
  • alfeizathe horizontal member protruding from the base of a window frame
  • fallancathe horizontal member protruding from the base of a window frame
  • vierteaguasthe horizontal member protruding from the base of a window frame
Swedish fönsterbräda, fönsterbleck
  • fönsterbrädathe horizontal member protruding from the base of a window frame
  • fönsterbleckthe horizontal member protruding from the base of a window frame
Turkish pencere kenarı
  • pencere kenarıthe horizontal member protruding from the base of a window frame
Ukrainian підвіко́ння
  • підвіко́ння (pidvikónnja)the horizontal member protruding from the base of a window frame
Vietnamese bậu
  • bậuthe horizontal member protruding from the base of a window frame
Welsh sil(ff) fenestr
  • sil(ff) fenestrthe horizontal member protruding from the base of a window frame
Cite this entry
APA

windowsill. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/windowsill

MLA

“windowsill.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/windowsill. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “windowsill,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/windowsill.

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