'Jackknife' definitions:
Definition of 'jackknife'
From: WordNet
noun
A large knife with one or more folding blades [syn: clasp knife, jackknife]
noun
A dive in which the diver bends to touch the ankles before straightening out
verb
Dive into the water bending the body at the waist at a right angle, like a jackknife
Definition of 'Jackknife'
From: GCIDE
- Jackknife \Jack"knife`\, n. A large, strong clasp knife for the pocket; a pocket knife. [1913 Webster]
Synonyms of 'jackknife'
From: Moby Thesaurus
- adz,
- ax,
- belly buster,
- belly flop,
- belly whopper,
- bread knife,
- bushwhacker,
- butcher knife,
- cannonball,
- carving knife,
- chaser,
- chisel,
- cleaver,
- clipper,
- clippers,
- crash dive,
- dagger,
- dive,
- drop,
- fall,
- gainer,
- gouge,
- hack,
- hatchet,
- header,
- hoe,
- hunting knife,
- knife,
- lance,
- lancet,
- letter-opener,
- machete,
- mattock,
- nippers,
- nose dive,
- paper cutter,
- paper knife,
- parachute jump,
- paring knife,
- penknife,
- pick,
- pickax,
- pitch,
- plowshare,
- plunge,
- pounce,
- power dive,
- razor,
- razor blade,
- running dive,
- saw knife,
- sax,
- scalpel,
- scissors,
- scoop,
- scraper,
- scuffle hoe,
- scythe,
- share,
- shears,
- sheath knife,
- sickle,
- sidecutters,
- sky dive,
- snips,
- spear,
- spokeshave,
- stationary dive,
- stoop,
- surgical knife,
- swan dive,
- swoop,
- sword,
- table knife,
- wedge