Re‐trench″ment (?), n. [Cf. F. retrenchment.] 1. The act or process of retrenching; as, the retrenchment of words in a writing.
The retrenchment of my expenses will convince you that � mean to replace your fortune as far as I can. Walpole.
2. (Fort.) A work constructed within another, to prolong the defense of the position when the enemy has gained possession of the outer work; or to protect the defenders till they can retreat or obtain terms for a capitulation.
Syn. — Lessening; curtailment; diminution; reduction; abridgment.