Nozzle (noun)

1. A narrow tube or pipe that controls the flow of a liquid or gas, often used to direct or spray a substance.
2. A projecting part on the end of a hose or pipe, used to control the flow of a liquid or gas.

Origin:

Derived from the middle french 'nouelle', meaning 'spout'.

Examples:

1. The nozzle on the fire hose was used to direct a powerful stream of water at the burning building.
2. The nozzle on the gasoline pump is used to control the flow of fuel into the tank of a vehicle.
3. The nozzle on the spray bottle can be adjusted to change the width and direction of the spray.
4. A nozzle is attached to the end of a hose to provide a strong and controlled stream of water.
5. A nozzle is a device used to control the flow of a liquid or gas and can be adjusted to alter the flow rate.