1.
The ~ of a liquid are the last drops left at the bottom of a container, together with any solid bits that have sunk to the bottom.
Colum drained the ~ from his cup.
N-PLURAL: usu the N disapproval
2.
If you talk about the ~ of society or of a community, you mean the people in it who you consider to be the most worthless and bad.
He sees dissidents as the ~ of society.
N-PLURAL: usu the N of n disapproval