English black-jack meaning in English  •  black-jack का अर्थ अंग्रेजी में

Noun

• 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.