Definition from Wiktionary, the free dictionary
See also: chin up
- (US) An exercise done for strengthening the arms and back, in which one lifts one's own weight while hanging from a bar. It can be defined more restrictively on criteria like the arms starting at lock-out, or the chin requiring contact with the bottom of the bar, or touching the neck to the bar.
an exercise done for strengthening the arms and back — see pull-up