Originally Posted by Cab_Burge
Originally Posted by 3hundred
I suppose I could call the rear window a windshield if I had a tailwind greater than my momentum? Other than that, it's rear window.
iagree
There is only one windshield in most cars made today, it is in the front facing forward.

If you are going backwards fast enough to need a rear windshield then you are probably doing something wrong.

In theory, there is no difference between theory and practice. In practice, there is.