sit-ups
nounUK /ˈsɪt.ʌps/
US /ˈsɪt.ʌps/
Sit-ups are exercises where you lie on your back and lift the top of your body up.
We do twenty sit-ups in gym class to make our tummies strong.
OTHER MEANINGS
2. A repeated bending motion where a person sits up from lying down.
The baby did little sit-ups trying to reach the toy.
3. A test of how many times you can rise to a sitting position.
The coach timed our sit-ups for one minute.
4. A protest where people sit down and refuse to move.
The students held a sit-up in the hallway to show they cared.