bellymuscles
nounUK /ˈbeliˌmʌsəlz/
US /ˈbeliˌmʌsəlz/
The muscles in your tummy that help you bend and sit up.
Doing sit-ups makes your bellymuscles strong.
OTHER MEANINGS
2. The muscles along the front of the belly that help hold the body steady.
Her bellymuscles kept her balanced while she stood on one leg.
3. The muscles you use when you cough or laugh hard.
His bellymuscles hurt after laughing so much.
4. The muscles that help you curl up into a ball.
He tucked his knees and used his bellymuscles to roll forward.