A type of hinge for cars that allows doors to open sideways-upward (as opposed to sideways-forward for regular doors, or upward-forward for [[scissor doors]]).

h4. External links

Wikipedia entry on "gull-wing doors":http://en.wikipedia.org/wiki/Gull-wing_door. 

For more information on alternate car doors, see "here":http://en.wikipedia.org/wiki/List_of_cars_with_unusual_door_designs.
gullwing doors