an emergency technique used to dislodge an object stuck in the windpipe: air is forced up the windpipe by applying sudden, sharp pressure to the abdomen just below the rib cage
See Heimlich maneuver in American Heritage Dictionary 4
(hīmˈlĭkˌ, -lĭᴋʜˌ)
noun
An emergency technique used to eject an object, such as food, from the trachea of a choking person. The technique employs a firm upward thrust just below the rib cage to force air from the lungs.