腕うで渡わたり

noun

brachiation; swinging from branch to branch

Zoological term for the arm-swinging locomotion of primates such as gibbons. Used in academic and descriptive contexts.

• テナガザルは腕うで渡わたりで木きから木きへ移い動どうする。

  Gibbons move from tree to tree by brachiation.