ratchet jack

noun

a screw jack rotated by a ratchet mechanism.

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Nearby words

ratbite fever, ratcatcher, ratch, ratchet, ratchet effect, ratchet jack, ratchet wheel, rate, rate base, rate card, rate of exchange

Origin of ratchet jack

First recorded in 1870–75

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