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Definition of Knife
1. Verb. Use a knife on. "They want to knife the prisoners "; "The victim was knifed to death"
Generic synonyms: Injure, Wound
Specialized synonyms: Poniard, Bayonet
Derivative terms: Stab, Stabber
2. Noun. Edge tool used as a cutting instrument; has a pointed blade with a sharp edge and a handle.
Terms within: Blade, Haft, Helve, Knife Blade, Point
Generic synonyms: Edge Tool
3. Noun. A weapon with a handle and blade with a sharp point.
Generic synonyms: Arm, Weapon, Weapon System
Terms within: Peak, Point, Tip
4. Noun. Any long thin projection that is transient. "Rifles exploded quick knives of fire into the dark"
Definition of Knife
1. n. 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. v. t. To prune with the knife.
3. v. t. Fig.: To stab in the back; to try to defeat by underhand means, esp. in politics; to vote or work secretly against (a candidate of one's own party).
Definition of Knife
1. Noun. A utensil or a tool designed for cutting, consisting of a flat piece of hard material, usually steel or other metal (the blade), usually sharpened on one edge, attached to a handle. The blade may be pointed for piercing. ¹
2. Noun. A weapon designed with the aforementioned specifications intended for slashing and/or stabbing and too short to be called a sword. A dagger. ¹
3. Noun. Any blade-like part in a tool or a machine designed for cutting, such as the '''knives''' for a chipper. ¹
4. Verb. (transitive) To cut with a '''knife'''. ¹
5. Verb. (transitive) To use a '''knife''' to injure or kill by stabbing, slashing, or otherwise using the sharp edge of the '''knife''' as a weapon. ¹
6. Verb. (intransitive) To cut through as if with a '''knife'''. ¹
7. Verb. (transitive) To betray, especially in the context of a political slate. ¹
8. Verb. (transitive) To positively ignore, especially in order to denigrate. compare cut ¹
¹ Source: wiktionary.com
Definition of Knife
1. a sharp-edged instrument used for cutting [n KNIVES] / to cut with a knife [v KNIFED, KNIFING, KNIFES]
Medical Definition of Knife
1.
Origin: OE. Knif, AS. Cnif; akin to D. Knijf, Icel. Knifr, 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. /as>.
2. A sword or dagger. "The coward conquest of a wretch's knife.