ratbite fever rat-a-tat • ratchet brace · · · Info · Definitions · Characters · · ratbite fever · · Text Common · · Latin · · Scripts 13 · · Length Definitions · · · (noun) either of two infectious diseases transmitted to humans by the bite of a rat or mouse; characterized by fever and headache and nausea and skin eruptions. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 r latin small letter r U+0072 t latin small letter t U+0074 v latin small letter v U+0076