Rear means behind
Rear as in rear end
This question makes absolutely no sense. Do you mean the front-rear end? If its in the front it's not a rear. Is it four-wheel drive? Do you mean the front differential?
At the rear of something
nothing. Most dogs do not have rear dew claws
Outside
Assuming you mean rear disc BRAKES, yes.
single rear wheel as opposed to drw which is dual rear wheels
No, either front or rear wheel drive.
Rear is to the back of the vehicle. Brake rotor is the rotating part of a disc brake.
to drag your rear end,like a car
Be the last or the back-up
Possibly the rear gunner.