[by.pass] n (1848) 1: a passage to one side; esp: a deflected route usu. 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 ~"
[2]bypass vt (1886) 1 a: to avoid by means of a bypass b: to cause to follow a bypass
2. a: to neglect or ignore usu. intentionally b: circumvent