grog

 
Pronunciation: /grɒg/

noun

[mass noun]
  • 1spirits (originally rum) mixed with water.
  • informal or Australian/NZ alcoholic drink.
  • 2crushed unglazed pottery or brick used as an additive in plaster or clay.

Origin:

mid 18th century: said to be from Old Grog, the reputed nickname (because of his grogram cloak) of Admiral Vernon (1684–1757), who in 1740 first ordered diluted (instead of neat) rum to be served out to sailors