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Meaning of bushing

bush•ing

Pronunciation: (boosh'ing), [key]
— n.
  1. a lining for a hole, intended to insulate and protect from abrasion one or more conductors that pass through it.
    1. a replaceable thin tube or sleeve, usually of bronze, mounted in a case or housing as a bearing.
    2. a replaceable hardened steel tube used as a guide for various tools or parts, as a drill or valve rod.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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