TOP

Definition of jackknife noun from the Oxford Advanced Learner's Dictionary

jackknife

noun
 
/ˈdʒæknaɪf/
 
/ˈdʒæknaɪf/
(plural jackknives
 
/ˈdʒæknaɪvz/
 
/ˈdʒæknaɪvz/
)
jump to other results
  1. a large knife with a blade (= cutting edge) that folds into the handle
See jackknife in the Oxford Advanced American Dictionary

Other results

All matches
cumulative
adjective
 
 
From the Word list
OPAL written words
Oxford Learner's Dictionaries Word of the Day