ratchet

English Thesaurus

1. mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction (noun.artifact)

hypernym	:	mechanical device,
definition	:	mechanism consisting of a device that works on mechanical principles (noun.artifact)

part holonym	:	click, detent, dog, pawl,
definition	:	a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward (noun.artifact)

part holonym	:	ratchet wheel,
definition	:	toothed wheel held in place by a pawl or detent and turned by a lever (noun.artifact)

part meronym	:	ratchet screwdriver, spiral ratchet screwdriver,
definition	:	a 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 (noun.artifact)

2. move by degrees in one direction only (verb.motion)

hypernym	:	advance, go on, march on, move on, pass on, progress,
definition	:	move forward, also in the metaphorical sense (verb.motion)

3. mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction (noun.artifact)

derivation	:	rachet up, ratchet, ratchet down,
definition	:	move by degrees in one direction only (verb.motion)

4. move by degrees in one direction only (verb.motion)

derivation	:	rachet, ratch, ratchet,
definition	:	mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction (noun.artifact)

5. mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction (noun.artifact)

derivation	:	rachet up, ratchet, ratchet down,
definition	:	move by degrees in one direction only (verb.motion)

6. move by degrees in one direction only (verb.motion)

derivation	:	rachet, ratch, ratchet,
definition	:	mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction (noun.artifact)