The term 'SMALL ENGINE' can be broken down into two words: 'MOTOR' (5 letters) and 'SMALL' (5 letters). A MOTOR is an electrical or mechanical device that converts energy into motion. SMALL engines are typically used in lawn mowers, snow blowers, and other SMALL machines. They are usually powered by gasoline, diesel, or electricity. SMALL engines are designed to be lightweight and efficient, making them ideal for use in a variety of applications.