noun, plural jack·knives.
verb (used without object), jack·knifed, jack·knif·ing.
verb (used with object), jack·knifed, jack·knif·ing.
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Words nearby jackknife
Example sentences from the Web for jackknife
"Wimmen are kind by natur," said the sailor, shutting his jackknife with a jerk, the only sign of impatience yet visible.Silent Struggles|Ann S. Stephens
Them natives'll give ye a silver fox fer a jackknife an' a barrel o' flour, an' a marten fer a gallon o' molasses.Ungava Bob|Dillon Wallace
Them are his trousers I've on me and he gave me an oilskin and that jackknife.Ulysses|James Joyce
And pray who shall search the vitals of a whale with a bodkin—who may reach his jackknife through the superposed bubber?The Fiend's Delight|Dod Grile
The knees of Elliot doubled up under him like the blade of a jackknife.The Yukon Trail|William MacLeod Raine