A gymnastic maneuver consisting of a double half layout, with full twist and blind landing.
Origin
Unknown Commonly thought to derive from Old English bil ("bladed weapon"), a bill#Etymology 1, billhook. Other theories suggest a connection to Old English bile ("beak of a bird"), or from William.
After American gymnast Simone Biles.
Modern English dictionary
Explore and search massive catalog of over 900,000 word meanings.
Word of the Day
Get a curated memorable word every day.
Challenge yourself
Level up your vocabulary by setting personal goals.