Dictionary

sit-up

2 ENTRIES FOUND:

sit–up

noun \ˈsit-ˌəp\

: an exercise in which you lie on your back and use your stomach muscles to raise the top part of your body to a sitting position

Full Definition of SIT-UP

:  a conditioning exercise performed from a supine position by raising the torso to a sitting position and returning to the original position without using the arms or lifting the feet

First Known Use of SIT-UP

1938

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