A slop bowl, slop basin or waste bowl is one of the components of a traditional tea set. It was used to empty the cold tea and dregs in tea cups before refilling with hot tea, as there were often tea leaves in the bottom of the cups.

As with the rest of the tea set, most slop bowls were in pottery, but some in silver. In the 18th century they typically held about half a pint, with some room to spare. Handleless ceramic bowls of this size and shape were