AskDefine | Define ratchet

Dictionary Definition

ratchet n : mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction [syn: rachet, ratch] v : move by degrees in one direction only; "a ratcheting lopping tool" [syn: rachet up, ratchet down]

User Contributed Dictionary




  1. A pawl, click or detent for holding or propelling a ratchet wheel, or ratch, etc.
  2. A mechanism composed of a ratchet wheel, or ratch and pawl.
  3. A ratchet wrench.


pawl, click or detent for a ratchet wheel
Ratchet wrench
mechanism composed of a ratchet wheel and pawl
ratchet wrench


  1. To cause to become incremented or decremented.
  2. To increment or decrement.
    It's time to ratchet up the intensity level here.



Extensive Definition

A ratchet may refer to:
ratchet in Japanese: ラチェット (曖昧さ回避)

Synonyms, Antonyms and Related Words

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