ventilation shaft ventilation • ventilation system · · · Info · Definitions · Characters · · ventilation shaft · · Text Common · · Latin · · Scripts 17 · · Length 5 · · Syllables Definitions · · · (noun) a shaft in a building; serves as an air passage for ventilation. Synonyms: ventilation shaft. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076