knife n
1. edge tool used as a cutting instrument; has a pointed blade with a sharp edge and a handle
2. a weapon with a handle and blade with a sharp point
3. any long thin projection that is transient; "tongues of flame licked at the walls"; "rifles exploded quick knives of fire into the dark" [syn: tongue] v : use a knife on; "The victim was knifed to death" [syn: stab] [also: knives (pl)]

knives See knife

Knife \Knife\, n.; pl. Knives. [OE. knif, AS. cn[=i]f; akin to D. knijf, Icel. kn[=i]fr, Sw. knif, Dan. kniv.]
1. 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..
2. 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.

Knives \Knives\, n. pl. of Knife. See Knife.

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A knife (plural knives) is any cutting edge or blade, hand-held or otherwise, with or without a handle. Knives were used at least two-and-a-half million years ago, as evidenced by the Oldowan tools. certain cultures have attached spiritual and religious significance to the knife including the La Hu Si{Knives 2008} Most modern-day knives follow either a fixed-blade or a folding construction style, with blade patterns and styles as varied as their makers and countries of origin.

Today, knives come in many forms but can be generally categorized between two broad types: fixed blade knives and folding, or pocket knives.

Modern knives consist of a blade (1) and handle (2). The blade edge can be plain or serrated or a combination of both. The handle, used to grip and manipulate the blade safely, may include the tang, a portion of the blade that extends into the handle. Knives are made with partial tangs (extending part way into the handle, known as a "Stick Tang") or full tangs (extending the full length of the handle, often visible on top and bottom). The handle can include a bolster, which is a piece of material used to balance the knife, usually brass or other metal, at the front of the handle where it meets the blade. The blade consists of the point (3), the end of the knife used for piercing, the edge (4), the cutting surface of the knife extending from the point to the heel, the grind (5), the cross section shape of the blade, the spine, (6), the top, thicker portion of the blade, the fuller (7), the groove added to lighten the blade, and the ricasso (8), the thick portion of the blade joining the blade and the handle. The guard (9) is a barrier between the blade and the handle which protects the hand from an opponent, or the blade of the knife itself. A choil, where the blade is unsharpened and possibly indented as it meets the handle, may be used to prevent scratches to the handle when sharpening or as a forward-finger grip. The end of the handle, or butt (10), may allow a lanyard (11), used to secure the knife to the wrist, or a portion of the tang to protrude as a striking surface for hitting or glass breaking.

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