tumbling
nounUK /ˈtʌm.bəl.ɪŋ/
US /ˈtʌm.bəl.ɪŋ/
Tumbling is when you roll and flip your body on the ground.
The children practiced tumbling on the soft mats at the gym.
OTHER MEANINGS
2. Falling down suddenly and rolling over.
The rocks came tumbling down the hill.
3. Moving in a messy, rolling way.
The dryer kept tumbling the clothes around.
4. Getting lower quickly in value or amount.
Prices have been tumbling all week.