A fee charged by some restaurants to open and serve a bottle of wine brought in by the patron. A quick call to the restaurant will confirm the amount of the corkage fee. Some restaurants charge a lower fee if the patron's wine is not on the restaurant's wine list, such as might be the case with an older wine or a particularly distinctive vintage.
From The Food Lover's Companion, Fourth edition by Sharon Tyler Herbst and Ron Herbst. Copyright © 2007, 2001, 1995, 1990 by Barron's Educational Series, Inc.