black-jack

See also: blackjack, Blackjack, Black Jack, and black jack

English

Noun

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

  1. (uncountable, obsolete, mineralogy, UK) Sphalerite; zincblende.
  2. (uncountable, obsolete) Caramel or burnt sugar, used to colour wines, spirits, ground coffee, etc.
  3. (obsolete) A large leather vessel for beer, etc.
  4. (obsolete) A water oak or barren oak (Quercus nigra).
  5. (obsolete, circa 1700s) A native African longshoreman or sailor working on a boat.
  6. A coalfish (Pollachius virens).
  7. A larva of a sawfly of species Athalia rosae (syns. Athalia centifolia, A. spinarum).
  8. Alternative form of blackjack.

References

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