'Corkage' definitions:

Definition of 'corkage'

From: WordNet
noun
A charge added at a restaurant for every bottle of wine served that was not bought on the premises

Definition of 'Corkage'

From: GCIDE
  • Corkage \Cork"age\ (-[asl]j), n. The charge made by innkeepers for drawing the cork and taking care of bottles of wine bought elsewhere by a guest. [1913 Webster]