bushing · noun1
From bush (“metal lining of the axle hole of a wheel or touch hole of a gun”) + -ing.
bushing · verb2
See the etymology of the corresponding lemma form.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A 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. Full definition →
From bush (“metal lining of the axle hole of a wheel or touch hole of a gun”) + -ing.
See the etymology of the corresponding lemma form.
Etymology from Wiktionary, CC BY-SA 4.0.