Major geographical features of Botswana. The Kalahari a waterless place, a vast arid to semi-arid area in Southern Africa covering much of Botswana and parts of Namibia and South Africa.
Medical Definition of bypass. : a surgically established shunt cardiopulmonary bypass of blood from the right atrium to the aorta; also : a surgical procedure for the establishment of a shunt âWhen a bypass is performed on more than one coronary artery or branch, the number of times (double, triple, etc.) is often specified. bypass.
: a surgical bypass operation performed to restrict food intake and reduce absorption of calories and nutrients in the treatment of severe obesity that typically involves reducing the size of the stomach and reconnecting the smaller stomach to bypass the first portion of the small intestine; especially : roux-en-y gastric bypass.