Main Entry: ¹by·pass

Pronunciation: \ˈbī-ˌpas\

Function: noun

Date: 1848

1 : a passage to one side; especially : a deflected route usually around a town
2 a : a channel carrying a fluid around a part and back to the main stream b (1) : shunt 1b (2) : shunt 1c; also : a surgical procedure for the establishment of a shunt <have a coronary bypass>