13 meanings: 1. to hinder or stop the breathing of (a person or animal), esp by constricting the windpipe or by asphyxiation 2..... Click for more definitions. Choking is when an object or a liquid blocks the throat or windpipe, preventing normal breathing. Learn about the types, causes, risk factors, diagnosis and treatment of choking, and how to prevent it. CHOKING definition: 1. present participle of choke 2. If you choke, or if something chokes you, you stop breathing…. Learn more. Choking, also known as foreign body airway obstruction (FBAO), is a phenomenon that occurs when breathing is impeded by a blockage inside of the respiratory tract. An obstruction that prevents oxygen from entering the lungs results in oxygen deprivation.