black rat black raspberry • black rat snake · · · Info · Definitions · Synonyms · Characters · · black rat · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) common household pest originally from Asia that has spread worldwide. Synonyms: black rat, roof rat, Rattus rattus. · · Noun Definition 1 Synonyms · · · roof rat · · Synonym 1 rattus rattus · · Synonym 2 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 r latin small letter r U+0072 t latin small letter t U+0074