windowsill (the horizontal member protruding from the base of a window frame) noun [UK: ˈwɪn.dəʊ.sɪl] [US: ˈwɪndo.ʊ.sɪl] | alféizarnoun {m}There's a sparrow on the windowsill. = Hay un gorrión en el alféizar de la ventana. antepechonoun {m}A pretty robin landed on my room's windowsill. = Un petirrojo bonito se posó en el antepecho de mi dormitorio. repisanoun {f} |