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brachiation

American  
[brey-kee-ey-shuhn, brak-ee-] / ˌbreɪ kiˈeɪ ʃən, ˌbræk i- /

noun

Zoology.

  1. locomotion accomplished by swinging by the arms from one hold to another.

brachiation Scientific  
/ brā′kē-ā′shən,brăk′ē- /

  1. Movement in which the suspended body swings by the arms from one hold to another, as in gibbons and arboreal primates. Adaptations used in brachiation, such as relatively long arms and a freely rotating shoulder joint, may have contributed to the development of bipedalism in protohumans.

Etymology

Origin of brachiation

brachiate + -ion

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.