An excessive accumulation of fat on the buttocks: In anthropology, steatopyga is a condition in certain populations in which individuals have broad masses of fat protruding from the buttocks and thighs with an additional slant to the sacrum, often noted among women of the Bushmen and Hottentot groups of Africa. It is considered to be a sign of beauty.
4. Etymology: from Greek steat, "solid fat" + Greek puge,"buttocks".