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1. A horizontal raised beam with a width of 10 centimeters (4 inches) and a length of 5 meters (16 feet) that is used in gymnastic competition for balancing exercises.
2. A competitive gymnastics event in which various balancing feats are performed on this beam.
1. a narrow wooden rail set horizontally on upright posts about 4 ft. (1.2 m) from the floor, used for performing feats of balancing and demonstrating gymnastic ability.
2. a gymnastic event for women in which such an apparatus is used.