Grog (?), n. [So named fronm "Old Grog" a nickmname given to Admiral Vernon, in allusion to his wearing a grogram cloak in foul weather. He is said to have been the first to dilute the rum of the sailors (about 1745).]
A mixture of spirit and water not sweetened; hence, any intoxicating liquor.
Grog blossom, a redness on the nose or face of persons who drink ardent spirits to excess. [Collog.]
© Webster 1913.