Oxford Advanced American Dictionary
Home
Wordlists
Using OALD
OAAD
Oxford 3000
Academic Word List
Pictures
Usage notes
How To
Pronunciation Guide
Guide to Labels
Blog
Online Catalogue
Search results
ratchet
noun
ratchet
verb
Definition of
ratchet noun
from the Oxford Advanced Learner's Dictionary
ratchet
noun
ˈrætʃɪt
ˈrætʃɪt
a wheel or bar with teeth along the edge and a metal piece that fits between the teeth, allowing movement in one direction only