cough
- A sudden, forceful expulsion of air from the lungs, often as a reflex to clear the throat or respiratory tract. nounShe had a persistent cough that wouldn't go away.The doctor examined him after he complained of a dry cough.
- To expel air from the lungs suddenly and noisily, often as a reflex action to clear the throat or respiratory tract. verbHe coughed loudly to get the teacher's attention.She coughed several times during the meeting.