Meaning of black-jack | Babel Free

Definitions

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

CEFR level