Definitions
1.NounA type of plain bearing, a cylindrical lining designed to reduce friction and wear inside a hole, often used as a casing for a shaft, pin or hinge.
2.NounAn elastic bearing used as a type of vibration isolator, commonly made of rubber. An interface between two parts, damping the movement and the energy transmitted.
3.NounA threaded bushing: a fastener element that is inserted into an object, usually to add a threaded hole in a softer or thin material.
4.NounA lining for an opening through which a conductor passes, providing insulation and mechanical protection for the conductor.
5.NounAn adapter for joining pipes of different size.
6.Verbpresent participle and gerund of bush