Wiktionary
alt. a knife with a folding blade or blades. n. a knife with a folding blade or blades.
Usage examples of "clasp-knife".
My tools are a blunt saw, a blunter ax, a wooden spade, two great augers, that I believe had a hand in bringing us here, but have not been any use to us since, a center-bit, two planes, a hammer, a pair of pincers, two brad-awls, three gimlets, two scrapers, a plumb-lead and line, a large pair of scissors, and you have a small pair, two gauges, a screw-driver, five clasp-knives, a few screws and nails of various sizes, two small barrels, two bags, two tin bowls, two wooden bowls, and the shell of this turtle, and that is a very good soup-tureen, only we have no meat to make soup with.
This ingenuous little soldier, yesterday a peasant of Bauce or Limousin, who prowls with his clasp-knife by his side, around the children's nurses in the Luxembourg garden, this pale young student bent over a piece of anatomy or a book, a blond youth who shaves his beard with scissors, -- take both of them, breathe upon them with a breath of duty, place them face to face in the Carrefour Boucherat or in the blind alley Planche-Mibray, and let the one fight for his flag, and the other for his ideal, and let both of them imagine that they are fighting for their country.
I took the bag to where it used to stand, and ripped a hole in the bottom of it with the saw, for there warn't no knives and forks on the place -- pap done everything with his clasp-knife about the cooking.