scullery

/ˈskʌləri/
noun
  1. A small room next to a kitchen, used for washing dishes, pots, and other kitchen items.
    • The chef stacked the dirty pots in the scullery for the assistant to wash.
    • She organized the scullery so that all the cleaning supplies were easy to reach.
    • In old houses, the scullery was often a separate room with a stone floor and a deep sink.