cart ‧ wheel /ˈkɑːt-wiːl $ ˈkɑːrt-/ BrE AmE noun [countable]
1 . a movement in which you turn completely over by throwing your body sideways onto your hands while bringing your legs over your head
do/turn cartwheels
The children were doing cartwheels in the park.
2 . the wheel of a ↑ cart
—cartwheel verb [intransitive]