stomach muscles
nounUK /ˈstʌmək ˈmʌsəlz/
US /ˈstʌmək ˈmʌsəlz/
The muscles in your belly that help you bend, sit up, and hold your tummy tight.
Doing sit-ups makes your stomach muscles strong.
OTHER MEANINGS
2. The group of muscles along the front of the belly that support the trunk.
Her stomach muscles felt sore after the long run.
3. The muscles used when you cough or laugh hard.
He laughed so much his stomach muscles hurt.
4. The muscles that help you keep your balance and posture.
Good stomach muscles help you stand up straight.