buttonnounmasculine/buˈtɐ̃u/mediumbo·tãoPortuguesEnglishEspanolFrancaisDefinitionA small piece used to fasten or close clothing.The button on the shirt is loose.She sewed a new button on the jacket.synfastenerclipEtymologyDo francês 'bouton'Related wordsbotão de pressãobotão de liga/desliga