Definitions for "Unitard"
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
a leotard with sleeves and legs
A unitard is a skin-tight one-piece garment with long legs and sometimes long sleeves. It differs from a leotard in that a leotard does not have long legs.