- a female ballet dancer's costume consisting of a bodice and an attached skirt incorporating numerous layers of fabric, this being either short and stiff and projecting horizontally from the waist (the classical tutu) or long, soft, and bell-shaped (the romantic tutu)芭蕾舞裙（女芭蕾舞演员台服, 由紧身胸衣与包括多层织物的附裙组成; 裙子要么为短、硬、自腰间水平外凸的古典主义舞裙, 要么为长、软、钟形浪漫主义舞裙）。
词源
early 20th cent.: from French, child's alteration of cucu, informal diminutive of cul 'buttocks'.