noun
: a large pocketknife the blade or blades of which fold or shut into the handle : jackknife ; especially : a large one-bladed folding knife having a catch to hold the blade open rigidly
noun
: a large pocketknife the blade or blades of which fold or shut into the handle : jackknife ; especially : a large one-bladed folding knife having a catch to hold the blade open rigidly
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012