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.
See all translations. uk â /ÉËkluË.ÊÉn/ us â /ÉËkluË.ÊÉn/ specialized. âº medical [ C or U ] in medicine, something that blocks a tube or opening in the body, or when something is blocked or closed.