Meaning of black jack | Babel Free

Definitions

1. Any of certain species of Caranx of gamefish, including C. latus and C. crysos, but especially Caranx lugubris.
   countable, uncountable
2. A city in Saint Louis County, Missouri, United States, named for a grove of blackjack oaks.
3. Certain beggarticks (Bidens spp.), especially Bidens pilosa.
   countable, uncountable
4. Larva of a turnip sawfly (Athalia rosae)
   countable, obsolete, uncountable
5. Sphalerite.
   countable, uncountable
6. A tufted or ring-necked scaup duck (Aythya collaris).
   countable, uncountable
7. Used other than figuratively or idiomatically: see black, jack.
   countable, uncountable

Examples

“There is a sort of black caterpillar called a black jack, which is seldom seen; but when they do come, they make terrible havock.”

CEFR level