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1

ratchet

noun ratch·et \ˈra-chət\

Simple Definition of ratchet

  • : a device made up of a wheel or bar with many teeth along its edge in between which a piece fits so that the wheel or bar can move only in one direction

Full Definition of ratchet

  1. 1 :  a mechanism that consists of a bar or wheel having inclined teeth into which a pawl drops so that motion can be imparted to the wheel or bar, governed, or prevented and that is used in a hand tool (as a wrench or screwdriver) to allow effective motion in one direction only

  2. 2 :  a pawl or detent for holding or propelling a toothed wheel

Variants of ratchet

also rach·et \ˈra-chət\

Origin of ratchet

alteration of earlier rochet, from French, alteration of Middle French rocquet ratchet, bobbin, of Germanic origin; akin to Old High German rocko distaff — more at rock


First Known Use: 1654

Other Mechanical Engineering Terms

Rhymes with ratchet


2

ratchet

verb ratch·et

Simple Definition of ratchet

  • : to increase or decrease (something) especially by a series of small steps or amounts

Full Definition of ratchet

  1. transitive verb
  2. :  to cause to move by steps or degrees —usually used with up or down <tried to ratchet down the debt>

  3. intransitive verb
  4. :  to proceed by steps or degrees

1972

First Known Use of ratchet

1972

Variants of ratchet

also rachet


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