knife

nouns

edge tool used as a cutting instrument; has a pointed blade with a sharp edge and a handle

knife

is a type of (narrower)

any cutting tool with a sharp cutting edge (as a chisel or knife or plane or gouge)

a weapon with a handle and blade with a sharp point

knife

is a type of (narrower)

any instrument or instrumentality used in fighting or hunting

"he was licensed to carry a weapon"

any long thin projection that is transient

"tongues of flame licked at the walls"; "rifles exploded quick knives of fire into the dark"

knife, tongue

use a knife on

"The victim was knifed to death"

knife, stab