leotard

US /ˈliː.ə.tɑːrd/
UK /ˈliː.ə.tɑːrd/
"leotard" picture
1.

a close-fitting, one-piece garment, made of stretchy material, that covers the body from the shoulders to the top of the thighs, worn by acrobats, dancers, and gymnasts.

:
The gymnast wore a sparkling blue leotard for her performance.
Dancers often wear leotards during practice to allow for full range of motion.