black-jack

Definition from Wiktionary, the free dictionary
Jump to: navigation, search
See also: blackjack

English[edit]

Noun[edit]

black-jack (countable and uncountable, plural black-jacks)

  1. (obsolete, mineralogy, UK) Sphalerite; zincblende.
  2. (obsolete) Caramel or burnt sugar, used to colour wines, spirits, ground coffee, etc.
  3. (obsolete) A large leather vessel for beer, etc.
  4. (obsolete) The Quercus nigra, or barren oak.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.