leotard

a tight-fitting garment of stretchy material that covers the body from the shoulders to the thighs (and may have long sleeves or legs reaching down to the ankles); worn by ballet dancers and acrobats for practice or performance

肩から太ももまでを覆う伸縮性素材の体にぴったりとした衣服（長袖や足首までの丈のものもある）；バレエダンサーや曲芸師が練習や公演で着用する