A sturdy item of footwear covering the foot, the ankle, and sometimes the leg below the knee. A hard kick. The trunk of a car. The process of starting a computer and putting it into a state of readiness for operation. A navy or marine recruit. As well; in addition. Place boots on (oneself, another person, or an animal). Kick (something) hard in a specified direction. Start (a computer) and put it into a state of readiness for operation. Place a Denver boot on (an illegally parked car).