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black-jack - Meaning and Examples

Meaning of 'black-jack' (Webster Dictionary)

1 . Black-jack [ n.]
- A name given by English miners to sphalerite, or zinc blende; -- called also false galena. See Blende.
- Caramel or burnt sugar, used to color wines, spirits, ground coffee, etc.
- A large leather vessel for beer, etc.
- The Quercus nigra, or barren oak.
- The ensign of a pirate.