Alternative spelling of blackjack / Caranx lugubris, a gamefish / Bidens spp., from the family of Asteraceae / (obsolete) The larva of a turnip sawfly (Athalia rosae) / (mining, mineralogy) Sphalerite.

(obsolete, mineralogy, UK) Sphalerite; zincblende. / (obsolete) Caramel or burnt sugar, used to colour wines, spirits, ground coffee, etc. / (obsolete) A large leather vessel for beer, etc.

A municipality of St. Louis County, Missouri, United States.

plural of black-jack

plural of black jack