Englishpeak flow meternounMeaningAn instrument that monitors the peak expiratory flow rate of air from a person's bronchi; used to manage asthma.Related wordspneumotachometer(English)pneumotachograph(English)flowmeter(English)bronchospirometer(English)spirometry(English)pulmometer(English)pneumonometer(English)spirometer(English)SourcesDictionaryAPI.dev English dictionary data