Yes, boot is a Scrabble word!

Verb

1. Kick; give a boot to

2. Cause to load (an operating system) and start the initial processes

Noun

1. Footwear that covers the whole foot and lower leg

2. British term for the luggage compartment in a car

3. The swift release of a store of affective force

4. Protective casing for something that resembles a leg

5. An instrument of torture that is used to heat or crush the foot and leg

6. A form of foot torture in which the feet are encased in iron and slowly crushed

7. The act of delivering a blow with the foot