Word
jackknife, n.
(jackknives)
a dive in which the diver bends to touch the ankles before straightening out
<noun.act>
jackknife
lexical pointers
derivationally related form
jackknife
semantic pointers
hypernym
dive, diving
a large knife with one or more folding blades
<noun.artifact>
clasp knife
jackknife
semantic pointers
hypernym
pocketknife, pocket knife