brachiate

Borrowed from Latin brachiātus, from brachium (“arm, branch”) + -ātus, see -ate (adjective-forming suffix).

• IPA^(key): /ˈbɹækɪət/

brachiate (comparative more brachiate, superlative most brachiate)

1. (botany) Having decussate branches.

   Synonym: cross-armed

Back-formation from brachiator, see -ate (verb-forming suffix).

• IPA^(key): /ˈbɹækɪeɪt/

brachiate (third-person singular simple present brachiates, present participle brachiating, simple past and past participle brachiated)

1. (intransitive) To move like a brachiator; to swing from branch to branch, advance by brachiation.

   […] brachiating from handhold to handhold like chimpanzees in a jungle.