noun: the act of exhaling air suddenly with a noise
noun: 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
verb: exhale abruptly, as when one has a chest cold or congestion
Example: "The smoker coughs all day"
name: A surname (very rare: popularity rank in the U.S.: #64860)