1. dirt, grease, or other matter removed by scrubbing or cleaning
Usage: usually plural
2. the lowest or most worthless part of something
Usage: usually plural; often derogatory

Examples

• The scourings from the dirty pots filled the sink.
• She disposed of the scourings after cleaning the oven.
• The scourings of society gathered in the abandoned building.
• Metal scourings accumulated on the workshop floor.
• He considered them the scourings of humanity.
• The cleaning produced piles of greasy scourings.