The Collaborative International Dictionary of English v.0.48:
Rape \Rape\ (r[=a]p), n. [F. r[^a]pe a grape stalk.]
1. Fruit, as grapes, plucked from the cluster. --Ray.
[1913 Webster]
2. The refuse stems and skins of grapes or raisins from which
the must has been expressed in wine making.
[1913 Webster]
3. A filter containing the above refuse, used in clarifying
and perfecting malt, vinegar, etc.
[1913 Webster]
Rape wine, a poor, thin wine made from the last dregs of
pressed grapes.
[1913 Webster]