An instrument consisting of a thin blade, usually of steel and having a sharp edge for cutting, fastened to a handle, but of many different forms and names for different uses; as, table knife, drawing knife, putty knife, pallet knife, pocketknife, penknife, chopping knife, etc.
A sword or dagger. The coward conquest of a wretch's knife. Shak. Knife grass (Bot.) a tropical American sedge (Scleria latifolia), having leaves with a very sharp and hard edge, like a knife. -- War to the knife, mortal combat; a conflict carried to the last extremity.
To prune with the knife.
To cut or stab with a knife. [Low]
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