sash window sash weight • sashay · · · Info · Definitions · Characters · · sash window · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) a window with (usually two) sashes that slide vertically to let in air. Synonyms: sash window. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 w latin small letter w U+0077