(music) A metal implement for adjusting the tuning wires in a pipe organ.

A knife with a handle at each end, used for shaving hoops for barrels by drawing it towards oneself.

(historical) A boy employed to clean knives.

(archaic) A trencherman; a person who eats heartily.

plural of knife-boy

A rocker-locking folding knife, which was capable of flick action opening (flick of the wrist), originating in the 1970s, similar to a 1960s era KA-BAR

A folding knife of this type / A telescoping knife of this type

A device with a series of holes or slots through which pressurized air exits in a laminar flow pattern, typically used to blow liquid or debris from products as they travel on conveyors.

A fight between combatants armed with knives. / (military) A dogfight (aircraft battle) at close quarters.

plural of knife fight