Definition of "leo"

To this day, I still try to steer clear of wearing a black leo and pink tights together […]

2011, Jennifer Kronenberg, So, You Want To Be a Ballet Dancer?

Now go grab your favorite leotard and makeup bag. I'll run you over there.” […] I rush to apply eye makeup that also matches my leo.

2016, Shawn Johnson, The Flip Side, page 66