a metal cap fitting onto the hub of a wheel, esp a stainless steel or chromium-plated one
WordReference Random House Learner's Dictionary of American English © 2026
hub•cap /ˈhʌbˌkæp/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Automotivea removable cover for the center of the exposed side of an automobile wheel, covering the axle.
hub•cap
(hub′kap′),USA pronunciation n.
- Automotivea removable cover for the center area of the exposed side of an automobile wheel, covering the axle.
- hub + cap1 1900–05
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