Cough

(kawf, 21), n. [D. kuch, from M. H. Ger. kûchen, to breathe, Prov. Ger. kuchen, kögen, to cough, M. H. Ger. küchen, N. H. Ger. keichen, keuchen, to gasp, to pant; keichhusten, keuchhusten, hooping-cough.] A violent effort of the lungs, usually attended with a harsh sound, to throw off irritating or injurious matter, by suddenly expelling air through the glottis; also, the repetition of such efforts, constituting a symptom of disease in the throat or lungs.

(kawf), v. i. [imp. & p. p. COUGHED; p. pr. & vb. n. COUGHING.] To make a violent effort, attended with a harsh sound, to throw off obstructing or irritating matter from the throat or lungs, by expelling air forcibly through the glottis.

To expel from the lungs by a cough; to expectorate; — followed by up.