What is the meaning of Black-jack?

  • (n.) The Quercus nigra or barren oak.
  • (n.) Caramel or burnt sugar, used to color wines, spirits, ground coffee, etc.
  • (n.) The ensign of a pirate.
  • (n.) A name given by English miners to sphalerite or zinc blende; -- called also false galena. See Blende.
  • (n.) A large leather vessel for beer, etc.
Webster's Revised Unabridged Dictionary
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APAWebster's. (2011). black-jack. Retrieved September 23, 2026, from http://smartdefine.org/black-jack/definitions/1980720
ChicagoWebster's. 2011. "black-jack" http://smartdefine.org/black-jack/definitions/1980720 (accessed September 23, 2026).
HarvardWebster's 2011, black-jack, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/black-jack/definitions/1980720>.
MLAWebster's. "black-jack" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/black-jack/definitions/1980720>