by-pass


by·pass

also by-pass (bī′păs′)n.1. A highway or section of a highway that passes around an obstructed or congested area.2. A pipe or channel used to conduct gas or liquid around another pipe or a fixture.3. A means of circumvention.4. Electricity See shunt.5. Medicine a. An alternative passage created surgically to divert the flow of blood or other bodily fluid or circumvent an obstructed or diseased organ.b. A surgical procedure to create such a channel: a coronary artery bypass; a gastric bypass.tr.v. by·passed, by·pass·ing, by·pass·es also by-passed or by-pass·ing or by-pass·es 1. To avoid (an obstacle) by using an alternative channel, passage, or route.2. To be heedless of; ignore: bypassed standard office procedures.3. To channel (piped liquid, for example) through a bypass.