hatchback

From Wiktionary

Noun[change]

Singular
hatchback

Plural
hatchbacks

A hatchback
  1. (vehicle) (countable) A car with a sloping, hinged rear door that opens upward.
    He was driving his hatchback when he hit the bicyclist.
  2. The door itself.
    Could you open the hatchback so that I can put my golf clubs in the car?