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.
© Webster 1913.