[poo
l-uhp] 
| 1. | an exercise consisting of chinning oneself, as on a horizontal bar attached at each end to a doorpost. |
| 2. | a flight maneuver in which an aircraft climbs sharply from level flight. |
| chin-up (chĭn'ŭp') n. The act or an instance of chinning oneself, practiced especially as a fitness exercise. Also called pull-up. |
| pull-up (pŏŏl'ŭp') n. See chin-up. |