noun🔗ShareEsputoMatter coughed up and expectorated from the mouth, composed of saliva and discharges from the respiratory passages such as mucus, phlegm or pus."The doctor asked him to cough up some sputum so she could test it for infection. "El médico le pidió que tosiera un poco de esputo para poder analizarlo en busca de una infección.medicinebodyphysiologydiseasebiologyanatomyChat with AIVocabulary GamePractice Reading