round window round whitefish • round-winged · · · Info · Definitions · Synonyms · Characters · · round window · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) fenestra leading into the cochlea. Synonyms: fenestra rotunda, fenestra cochleae, round window, fenestra of the cochlea. · · Noun Definition 1 Synonyms · · · fenestra rotunda · · Synonym 1 fenestra cochleae · · Synonym 2 fenestra of the cochlea · · Synonym 3 Characters · · space U+0020 d latin small letter d U+0064 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075 w latin small letter w U+0077