royal or royale (sometimes even exaggerated into imperial) designates, in the lexicon of mixed drinks, an existing drink that has been enhanced by adding wine, and particularly champagne, to it.
See champagne cocktails and punch.
Wondrich, David. Punch, or The Delights and Dangers of the Flowing Bowl. New York: Perigee, 2010.
By: David Wondrich
Thomas Rowlandson’s 1810 print of the West India Docks, the center of Britain’s rum trade.
Wondrich Collection.
Thomas Rowlandson’s 1810 print of the West India Docks, the center of Britain’s rum trade. Source: Wondrich Collection.