To move by swinging from one arm hold to another, using the arms to travel through space without using the legs.
From Late Latin 'brachiatus' (armed), derived from 'brachium' (arm). The term was adapted in the 19th century by zoologists to describe the distinctive locomotion of gibbons and other primates.
Brachiating is so efficient that a gibbon can brachiata for hours through a forest canopy covering miles of distance without ever touching the ground.
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