'Cough' definitions:

Definition of 'cough'

(from WordNet)
noun
A sudden noisy expulsion of air from the lungs that clears the air passages; a common symptom of upper respiratory infection or bronchitis or pneumonia or tuberculosis [syn: cough, coughing]
verb
Exhale abruptly, as when one has a chest cold or congestion; "The smoker coughs all day"

Definition of 'Cough'

From: GCIDE
  • Cough \Cough\, n. [Cg. D. kuch. See Cough, v. i. ]
  • 1. 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. [1913 Webster]
  • 2. The more or less frequent repetition of coughing, constituting a symptom of disease. [1913 Webster]
  • Stomach cough, Ear cough, cough due to irritation in the stomach or ear. [1913 Webster]

Definition of 'Cough'

From: GCIDE
  • Cough \Cough\ (k?f), v. i. [imp. & p. p. Coughed (k?ft); p. pr. & vb. n. Coughing.] [Cf. D. kuchen, MHG. k?chen to breathe, G. keuchen to pant, and E. chincough, the first part of which is prob. akin to cough; cf. also E. choke.] To expel air, or obstructing or irritating matter, from the lungs or air passages, in a noisy and violent manner. [1913 Webster]

Definition of 'Cough'

From: GCIDE
  • Cough \Cough\, v. t.
  • 1. To expel from the lungs or air passages by coughing; -- followed by up; as, to cough up phlegm. [1913 Webster]
  • 2. To bring to a specified state by coughing; as, he coughed himself hoarse. [1913 Webster]
  • To cough down, to silence or put down (an objectionable speaker) by simulated coughing. [1913 Webster]