ratchet

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

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
• Hypernyms:
mechanical device
• Part Holonyms:
spiral ratchet screwdriver, ratchet screwdriver
• Part Meronyms:
pawl, detent, click, dog, ratchet wheel

II - verb

move by degrees in one direction only
- a ratcheting lopping tool
• Syn:
rachet up, ratchet down
• Hypernyms:
advance, progress, pass on, move on, march on, go on
• Verb Frames:
- Something is ----ing PP

• Từ đồng nghĩa / Synonyms:
  rachet, ratch, rachet up, ratchet down