Also see definition of "Washpot" in Word Study
Washpot
WASHPOT [isbe]
WASHPOT - wosh'-pot (sir rachats, "vessel for washing"): Only Ps 60:8 = 108:9, "Moab is my washpot"; i.e. "Moab is my chattel, to betreated contemptuously," as the vessel in which the conqueror's feet are washed.
Also see definition of "Washpot" in Word Study