rat terrier rat stop • rat typhus · · · Info · Definitions · Synonyms · Characters · · rat terrier · · Text Common · · Latin · · Scripts 11 · · Length 4 · · Syllables Definitions · · · (noun) any of several breeds of terrier developed to catch rats. Synonyms: rat terrier, ratter. · · Noun Definition 1 Synonyms · · · ratter · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 r latin small letter r U+0072 t latin small letter t U+0074