black-jack

== English == === Noun === black-jack (countable and uncountable, plural black-jacks) (uncountable, obsolete, mineralogy, UK) Sphalerite; zincblende. (uncountable, obsolete) Caramel or burnt sugar, used to colour wines, spirits, ground coffee, etc. (obsolete) A large leather vessel for beer, etc. (obsolete) A water oak or barren oak (Quercus nigra). (obsolete, circa 1700s) A native African longshoreman or sailor working on a boat. A coalfish (Pollachius virens). A larva of a sawfly of species Athalia rosae (syns. Athalia centifolia, A. spinarum). Alternative form of blackjack. === References === “black-jack”, in OneLook Dictionary Search. Athalia rosae on Wikipedia.Wikipedia