May wine

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A still white wine with woodruff flavoring, often containing orange or pineapple slices.
• noun A punch of champagne, claret, and Moselle or Rhine wine, flavored with woodruff.

from The Century Dictionary.

• noun Same as May-drink.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A German beverage, traditionally served on the May Day holiday, made with white wine and woodruff.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a punch made of Moselle and sugar and sparkling water or champagne flavored with sweet woodruff