brachiation; swinging from branch to branch
Zoological term for the arm-swinging locomotion of primates such as gibbons. Used in academic and descriptive contexts.
テナガザルは腕渡りで木から木へ移動する。
Gibbons move from tree to tree by brachiation.
Compound of 腕 (ude, 'arm') and 渡り (watari, 'crossing'), literally 'arm-crossing'. The term describes the swinging locomotion of primates.