Cat suit and Unitard

Cat suit noun - 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.

Unitard is a synonym for cat suit. In some cases you can use "Unitard" instead a noun phrase "Cat suit".

Unitard noun - 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.

Cat suit is a synonym for unitard. You can use "Cat suit" instead a noun "Unitard".