ratchet screwdriver

Từ điển Oxford Learners Wordfinder Dictionary

noun

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
• Syn:
spiral ratchet screwdriver
• Hypernyms:
screwdriver
• Part Meronyms:
ratchet, rachet, ratch