Cough

·vt To bring to a specified state by coughing; as, he coughed himself hoarse.

II. Cough ·vi The more or less frequent repetition of coughing, constituting a symptom of disease.

III. Cough ·vt To expel from the lungs or air passages by coughing;

— followed by up; as, to cough up phlegm.

IV. Cough ·vi To expel air, or obstructing or irritating matter, from the lungs or air passages, in a noisy and violent manner.

V. Cough ·vi A sudden, noisy, and violent expulsion of air from the chest, caused by irritation in the air passages, or by the reflex action of nervous or gastric disorder, ·etc.