balance beam


noun

a narrow wooden rail about 16 feet (5 meters) long and 4 inches (10 cm) wide, set horizontally on upright posts about 4 feet (1.2 meters) from the floor, used for performing feats of balancing and demonstrating gymnastic ability.
a competitive gymnastic event for women in which such an apparatus is used.

Origin of balance beam

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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