quatuor:Numeral · 2nd declensionFrequency:LesserDictionary:Oxford Latin Dictionary (OLD)= four;ExamplesGDe grammaticisGaius Suetonius Tranquillus (Suetonius) "...unum et alterum, vel cum plurimos tres aut quatuor postmeridianis horis admittere solebat, cubansque inter longos ac vulgares..."