Retrenchment /(?)/

Re·trench·ment

Retrenchment

n.
  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.
  2. 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. (Fort.)