fire door fire division wall • fire drill · · · Info · Definitions · Characters · · fire door · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) a fire-resistant door that can be closed to stop the spread of a fire. Synonyms: fire door. · · Noun Definition 1 Characters · · space U+0020 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 o latin small letter o U+006F r latin small letter r U+0072