n.skintight knit hose covering the body from the waist to the feet worn by acrobats and dancers and as stockings by women and girls
同义词：tights
英汉双解大词典
leotard/ˈlɪəˌtɑːd/(leotards)
1.
N-COUNT（可数名词）
A leotard is a tight-fitting piece of clothing, covering the body but not the legs, that some people wear when they practise dancing or do exercise. 无腿形体服