buttonverb/ɐbutuˈaɾ/lowa·bo·to·arPortuguesEnglishEspanolFrancaisDefinitionTo close or fasten by passing a button through its corresponding buttonhole; to put the buttons on.The child is learning to button her coat by herself.He buttoned his shirt all the way up because of the cold.synfastencloseantunbuttonCommon collocationsto button up the shirtto button the coatEtymologyDo prefixo 'a-' + 'botão' + sufixo '-ar'.Related wordsbotãoabotoamentodesabotoar