1. knife - Noun
2. knife - Verb
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..
A sword or dagger.
To prune with the knife.
To cut or stab with a knife.
Source: Webster's dictionaryIs it progress if a cannibal uses knife and fork? Stanisław Jerzy Lec
I have a gift for enraging people, but if I ever bore you it will be with a knife. Louise Brooks
In a mind all logic is like a knife blade. It makes the hand bleed that uses it. Rabindranath Tagore
One knife will not cut another knife; one cheat will not cheat another cheat. African Congo Proverb
The tongue that belongs to a fake friend is sharper than a knife. Argentinean Proverb
A kitchen knife cannot carve its own handle. Korean Proverb