Also included in Spies, Pop Flies, and French Fries is a special feature called Operation Explore More, which encourages readers to undertake their own intelligence-gathering operations, using resources the author has compiled at the end of each chapter.
Medical Definition of COUGH. : to expel air from the lungs suddenly with an explosive noise usually in a series of efforts. transitive verb. Dictionary: Definition of cough.
Pertussis is a highly contagious bacterial disease that causes uncontrollable, violent coughing. The coughing can make it hard to breathe. A deep whooping sound is often heard when the person tries to take a breath.