from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An alcoholic liquor, especially rum diluted with water.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. an alcoholic beverage made with rum and water, especially that once issued to sailors of the Royal Navy.
  • n. Any alcoholic beverage.
  • n. A type of pre-fired clay that has been ground and screened to a specific particle size, also called firesand.

from the GNU version of the Collaborative International Dictionary of English

  • n. A mixture of spirit and water not sweetened; hence, any intoxicating liquor.

from The Century Dictionary and Cyclopedia

  • n. Originally, a mixture of spirit and water served out to sailors, called, according to the proportion of water, two-water grog, three-water grog, etc.
  • n. Hence Strong drink of any sort: used, like rum, as a general term and in reprobation. Compare groggery.
  • n. See the extract.
  • To make into grog by mixing with water, as spirits.
  • To extract grog from, as the wood of an empty spiritcask, by pouring hot water into it.

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

  • n. rum cut with water


After Old Grog, nickname of Edward Vernon (1684-1757), British admiral who ordered that diluted rum be served to his sailors, from grogram (from his habit of wearing a grogram cloak).
(American Heritage® Dictionary of the English Language, Fourth Edition)
An allusion to Admiral Edward Vernon (nicknamed "Old Grog" after the grogram coat he habitually wore), who in 1740 ordered his sailors' rum to be watered down.[2] Also claimed is: From Catalan, groc (yellow), the colour of the low-quality alcohol.[3] (Wiktionary)



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