D defs.my
Entry 2 senses Webster, 1913

Retrenchment

/rēt-rĕn'-chmənt/ · Re·trench·ment · IPA /ɹəˈtɹɛnt͡ʃm(ə)nt/
01 n. The act or process of retrenching; as, the retrenchment of words in a writing.
  1. 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. 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.)