rale /ɹɑːl/ noun[in the plural]1 •An abnormal clicking, rattling or crackling sound, made by one or both lungs and heard with a stethoscope, caused by the popping open of airways collapsed by fluid or exudate, or sometimes by pulmonary edema.If you were to tell a patient that he had a ‘rhonchus’ in his chest, he would imagine that it was something formidable, while, if you said that he had a ‘râle’ he would not be alarmed. — 1861 formsrales