IVnumeralformal/kwatɾu/mediumPortuguesEnglishEspanolFrancaisDefinitionRoman numeral representing the number four (4).Pope John Paul IV.See Act IV, Scene 2.synfour4Common collocationsHenry IVChapter IVVolume IVthe IV centuryEtymologyAbreviatura do latim 'quattuor' (quatro), no sistema de numeração romana.Related words4quatroquarto