Definition from Wiktionary, the free dictionary
bushing (plural bushings)
- (mechanical engineering) A type of bearing, a cylindrical lining designed to reduce friction and wear inside a hole, often used as a casing for a shaft, pin or hinge.
- (electrical engineering) A lining for an opening through which a conductor passes, providing insulation and mechanical protection for the conductor.
- An adapter for joining pipes of different size.
mechanical engineering: type of bearing
electrical engineering: lining to insulate and protect