Obs. rare. [f. TRENCH v. + -MENT, or aphetic for entrenchment.] A work formed by trenching; an entrenchment.
1604. E. Grimstone, Hist. Siege Ostend, 214. The trenchments being finished, the besieged resolued to bandon the olde rampere.
1700. Rycaut, Hist. Turks, III. 117. So many Trenchments, Retrenchments, and Palisadoes … that it was almost impossible for the Enemy to advance ten Paces.
