DICT.TW Dictionary Taiwan

 Cough v. i. [imp. & p. p. Coughed p. pr. & vb. n. Coughing.]  To expel air, or obstructing or irritating matter, from the lungs or air passages, in a noisy and violent manner.

 coughing
      n 1: the act of exhaling air suddenly with a noise [syn: cough]
      2: sudden 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]