slop basin

a basin or bowl into which the dregs, leaves, and grounds of teacups and coffee cups are emptied at the table.

Also called slop bowl.

Origin of slop basin

First recorded in 1725–35

She brushed the heads of the shrimps into the slop-basin with her hand and stood up, evidently offended, from the table.

Sally Bishop |E. Temple Thurston
In the middle of the table smoked a large tea-urn, prettily surrounded by silver tea-canisters, a slop-basin, and a milk-jug.

Tour in England, Ireland, and France, in the years 1826, 1827, 1828 and 1829. |Hermann Pckler-Muskau
He poured out some tea, and drank it, and poured some more into the slop-basin.

A Great Man |Arnold Bennett
What a mockery too is that piece of green turf, no bigger than a slop-basin.

The Sketches of Seymour (Illustrated), Part 1. |Robert Seymour

Nearly fill a slop-basin with the boiling element, and place a soup-plate over it.

Cakes & Ale |Edward Spencer

slop basin

a bowl or basin into which the dregs from teacups are emptied at the table