black jack

English dictionary entry

Meanings

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

Word forms

black jack black jacks
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