(n.) A large, strong clasp knife for the pocket; a pocket knife.

adz ax belly buster belly flop belly whopper bread knife bushwhacker butcher knife cannonball carving knife chaser chisel cleaver clipper clippers crash dive dagger dive drop fall gainer gouge hack hatchet header hoe hunting knife knife lance lancet letter-opener machete mattock nippers nose dive paper cutter paper knife parachute jump paring knife penknife pick pickax pitch plowshare plunge pounce power dive razor razor blade running dive saw knife sax scalpel scissors scoop scraper scuffle hoe scythe share shears sheath knife sickle sidecutters sky dive snips spear spokeshave stationary dive stoop surgical knife swan dive swoop sword table knife wedge