英英字典: chin_up
   Overview of noun chin_up
The noun chin-up has 1 sense
                                                         
- pull-up, chin-up -- (an arm exercise performed by pulling yourself up on a horizontal bar until your chin is level with the bar)
Overview of verb chin_up
The verb chin up has 1 sense
                                                         
- chin, chin up -- (raise oneself while hanging from one's hands until one's chin is level with the support bar)