Wikipedia
Usage examples of "dregs of wine".
Ivar gulped the dregs of wine from the cup he was taking to refill.
Theon picked one up and sniffed at the dregs of wine in the bottom.
He dressed himself with sober rigour for once in his foppish life, and descended, after night had fallen, to a tavern in a poor street behind the Duomo, hoping that there, among the dregs of wine, he might find what he required.