(often in the plural) Any of a group of four muscles that form the abdominal wall.

(surgery) An incision in the abdomen for surgery on any of the abdominal organs.

(medicine) An involuntary contraction of the abdominal wall with stimulus of the covering epidermis.

(medicine) A pregnancy outside of the uterus, and within the abdominal cavity.

(medicine) During childbirth, a technique in which the abdomen is surrounded by a chamber and has the pressure decreased intermittently, to assist the uterus in its task.

plural of abdominal muscle

(pathology) typhoid fever (not to be confused with typhus)

Alternative spelling of lumboabdominal

plural of abdominal-thrust maneuver

(emergency medicine) A first aid procedure used to treat choking. The patient's diaphragm is pressured by the performer's thumb knuckle to expel air and thereby dislodging the obstruction in the windpipe.