'Clasp knife' definitions:

Definition of 'clasp knife'

(from WordNet)
noun
A large knife with one or more folding blades [syn: clasp knife, jackknife]

Definition of 'Clasp knife'

From: GCIDE
  • Clasp \Clasp\, n.
  • 1. An adjustable catch, bent plate, or hook, for holding together two objects or the parts of anything, as the ends of a belt, the covers of a book, etc. [1913 Webster]
  • 2. A close embrace; a throwing of the arms around; a grasping, as with the hand. [1913 Webster]
  • Clasp knife, a large knife, the blade of which folds or shuts into the handle.
  • Clasp lock, a lock which closes or secures itself by means of a spring. [1913 Webster]