• Definition for "black-jack"
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black-jack definition

  • noun:
    • Sphalerite; zincblende.
    • Caramel or burnt sugar, familiar with colour wines, spirits, ground coffee, etc.
    • a sizable leather-based vessel for alcohol, etc.
    • The Quercus nigra, or barren oak.
    • A name provided by English miners to sphalerite, or zinc blende; -- labeled as in addition untrue galena. See blende.
    • Caramel or burnt sugar, used to color wines, spirits, ground coffee, etc.
    • a sizable fabric vessel for alcohol, etc.
    • The Quercus nigra, or barren oak.
    • The ensign of a pirate.
    • A capacious drinking-cup or can formerly made of waxed fabric, but now of slim steel, the exterior being japanned black, except the advantage, that will be remaining bright, in replica of ancient leathern black-jacks with silver rims.
    • The ensign of a pirate.
    • A Cornish miners' term for common ferruginous zinc sulphid, of which the mineralogical name's sphalerite, as well as the common name blende. Also referred to as untrue galena.
    • Caramel or burnt sugar used for coloring spirits, vinegar, coffee, etc.
    • A trade-name for adulterated butter.
    • an area English title for the coalfish, Pollachius virens.
    • A common name in the United States for a species of oak, Quercus nigra, and also, in the Gulf States, for Q. Catesb√¶i, small trees of little value except for fuel.
    • The larva of a sawfly, Athalia centifolia or A. spinarum, among the Tenthredinid√¶, destructive to turnips. Also known as nigger.
    • a type of hand-weapon composed of a quick flexible shaft having at one end much steel head cased in netting, leather-based, etc.
    • Candy made from dark molasses.
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