noun
1. : the highest stratum of society usually composed of people with the greatest wealth, education, and prestige
2. upper classes plural : an aggregate of social groupings comprising subdivisions of the upper class
noun
1. : the highest stratum of society usually composed of people with the greatest wealth, education, and prestige
2. upper classes plural : an aggregate of social groupings comprising subdivisions of the upper class
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012