HyperDic: ratch

English > 1 sense of the word ratch:
NOUNartifactratch, ratchet, rachetmechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction
English > ratch: 1 sense > noun 1, artifact
Meaningmechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction.
Synonymsratchet, rachet
Part ofspiral ratchet screwdriver, ratchet screwdriverA screwdriver with a ratchet (so the blade turns in only one direction) and a spiral in the handle (so the blade rotates) with downward pressure on the handle
Partspawl, detent, click, dogA hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward
ratchet wheeltoothed wheel held in place by a pawl or detent and turned by a lever
Broadermechanical devicemechanism consisting of a device that works on mechanical principles
Spanishmatraca, trinquete
Catalantrinquet

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