Generally speaking, the color that’s a blend of black and white is most often spelled gray in the U.S. and grey in the UK, although both spellings existed side by side for many years, and in fact, 18th-century British lexicographer Samuel...
polar bear n.— «“Whats a “Polar Bear”? My first guesses were a bear in a “plain white wrapper” (eg. white unmarked patrol car).”…“A solid white patrol car. As an example in CA the CHP has most of it’s units...