Quick Quiz: Nouns Score: Change category, Flip order Reset Incorrect! Try again. Noun: quadrant Your choice? (in the United States and France) the number that is represented as a one followed by 15 zeros   (Noun: quadrillion) an animal esp. a mammal having four limbs specialized for walking a quarter of the circumference of a circle Australian tree with edible flesh and edible nutlike seed   (Noun: quandang)