mouldnounmasculine/ˈmo.fu/mediummo·foPortuguesEnglishEspanolFrancaisDefinitionA furry growth of minute fungi occurring in moist warm conditions on organic matter or surfaces.Mould had started to grow on the damp walls.Throw that bread away; it's covered in mould.synmildewfungusCommon collocationsblack mouldmould growthmould sporesremove mouldEtymologyDo italiano 'muffa' (bolor).Related wordsmofadomofarmofento