RETRENCH Meaning of RETRENCH in English v. 1 a tr. reduce the amount of (costs). b intr. cut down expenses; introduce economies. 2 tr. shorten or abridge. retrenchment n.[ obs. F retrencher (as RE-, TRENCH) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012