The term SPRAY SOURCE can be broken down into three crossword solutions: HOSE (4 letters), NOZZLE (6 letters), and UZI (3 letters). A HOSE is a flexible tube used to convey water or other liquids, and is often used in gardening or for cleaning. A NOZZLE is a device that controls the direction or characteristics of a fluid flow, such as a spray of water or gas. An Uzi is a type of submachine gun developed in Israel in the 1940s, which has become popular with military and police forces around the world. All three of these solutions are sources of spray, and can be used for a variety of purposes.