clock jack

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noun Horology.

jack¹(def 19).

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Nearby words

cloche, clock, clock golf, clock in, clock is ticking, the, clock jack, clock off, clock on, clock puncher, clock radio, clock up

Origin of clock jack

1925–30; earlier jack of the clock-(house), jackaclock; see jack¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for clock jack

So he took the matter in hand and invented a clock-jack that was much better than the imported one.
Christopher and the Clockmakers|Sara Ware Bassett