black rot black root rot fungus • black rudderfish · · · Info · Definitions · Characters · · black rot · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) a fungous disease causing darkening and decay of the leaves of fruits and vegetables. Synonyms: black rot. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 k latin small letter k U+006B l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074