What is "rape wine"

Rape \Rape\ (r[=a]p), n. [F. r[^a]pe a grape stalk.]

1. Fruit, as grapes, plucked from the cluster.
   --Ray.

2. The refuse stems and skins of grapes or raisins from which the must has been expressed in wine making.

3. A filter containing the above refuse, used in clarifying and perfecting malt, vinegar, etc.

   Rape wine, a poor, thin wine made from the last dregs of pressed grapes.