'To cough down' definitions:

Definition of 'To cough down'

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]