Boot

A boot is:

• a type of footwear such as
  • a Wellington boot
  • football boot[?]
  • kinky boots
• the sequence by which a computer is started (short for bootstrap). See booting.
• the compartment at the back of car in which luggage is stored (this is called the trunk in the USA).

Boot can also be used as a verb, meaning "to kick", or as part of the phrase "to give somebody the boot", meaning to forcibly eject somebody from a room or institution.