edge tool used as a cutting instrument; has a pointed blade with a sharp edge and a handle
source: WordNet 3.0
a weapon with a handle and blade with a sharp point
source: WordNet 3.0
any long thin projection that is transient
Tongues of flame licked at the walls. Rifles exploded quick knives of fire into the dark.
source: WordNet 3.0
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..
source: Webster 1913
verb
use a knife on
The victim was knifed to death.
source: WordNet 3.0
To prune with the knife.
source: Webster 1913
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).