Definitions
1.nounA 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.
2.nounA weapon designed with the aforementioned specifications intended for slashing and/or stabbing and too short to be called a sword. A dagger.
3.nounAny blade-like part in a tool or a machine designed for cutting, such as that of a chipper.
4.verbTo cut with a knife.
5.verbTo use a knife to injure or kill by stabbing, slashing, or otherwise using the sharp edge of the knife as a weapon.
6.verbTo cut through as if with a knife.
7.verbTo betray, especially in the context of a political slate.
8.verbTo positively ignore, especially in order to denigrate. compare cut