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Webster 1913 Edition


Black-jack

Black′-jackˊ

,
Noun.
1.
(Min.)
A name given by English miners to sphalerite, or zinc blende; – called also
false galena
. See
Blende
.
2.
Caramel or burnt sugar, used to color wines, spirits, ground coffee, etc.
3.
A large leather vessel for beer, etc.
[Obs.]
4.
(Bot.)
The
Quercus nigra
, or barren oak.
5.
The ensign of a pirate.

Definition 2021


black-jack

black-jack

See also: blackjack, Blackjack, and black jack

English

Noun

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

  1. (obsolete, mineralogy, Britain) 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.