A gymnast on the parallel bars.
parallel bars definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
two parallel wooden bars about 18 inches apart that are set horizontally at the same height on upright posts, used in gymnastics
parallel bars definition by American Heritage Dictionary
An apparatus for gymnastic exercises consisting of two horizontal bars set parallel to each other in adjustable upright supports and used mainly for swinging maneuvers.