Damage or loss; ravage: "[Carnegie Hall has] withstood the wear and tear of enthusiastic music lovers and the normal depredations of time"(Mechanical Engineering).
1483, from L.L. deprædationem (nom. deprædatio), from L. deprædari "to pillage," from de- "thoroughly" + prædari "to plunder," lit. "to make prey of," from præda "prey."