bushing
bus·hing
noun
2.
a cylindrical metal lining used to reduce friction
Origin
From bush (“metal lining of the axle hole of a wheel or touch hole of a gun”) + -ing.
Related words
Word family
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.