[1] : The Collaborative International Dictionary of English v.0.48

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
see also:
clasp knife clasp lock 

[2] : WordNet (r) 2.0

clasp knife
     n : a large knife with one or more folding blades syn: jackknife
see also:
jackknife 

Knife >> K Words
Knife, definition of term: Knife
knife_pag1.html

Clasp >> C Words
Clasp, definition of term: Clasp
clasp_pag1.html

Butter Knife >> B Words
Butter Knife, definition of term: Butter Knife
butter+knife_pag1.html

Bowie Knife >> B Words
Bowie Knife, definition of term: Bowie Knife
bowie+knife_pag1.html