COUNTERBRACE
Etymology
Verb
counterbrace (third-person singular simple present counterbraces, present participle counterbracing, simple past and past participle counterbraced)
(nautical, transitive) To brace in opposite directions.
(engineering, transitive) To brace in such a way that opposite strains are resisted.
Source: Wiktionary
Coun"ter*brace`, v. t.
1. (Naut.)
Definition: To brace in opposite directions; as, to counterbrace the yards,
i. e., to brace the head yards one way and the after yards another.
2. (Engin.)
Definition: To brace in such a way that opposite strains are resisted; to
apply counter braces to.
Source: Webster’s Unabridged Dictionary 1913 Edition