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Blackjack most commonly means a card game, also called '21', where players try to get cards adding up to as close to 21 as possible without going over — it's a very popular casino game. Older books and films also use 'blackjack' for a small weighted leather club, once used as a weapon for knocking someone out.
(紙牌遊戲)21點；(舊時)警棍、短棍
組成black + jack — a compound of two ordinary words, joined into one name.
原始詞典資料13 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
Blackjacknoun
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slanglifestyleA fan of the South Korean girl group 2NE1.
- The queens of K-pop, 2NE1, are gearing up for their world tour in March and Blackjacks could not be more excited!
- It’s this sort of brash ethos that resonates with Blackjacks (as 2NE1’s fans are known).
blackjacknoun/ˈblækd͡ʒæk/
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card-gamesgamesA common gambling card game in casinos, where the object is to get as close to 21 without going over.
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card-gamesgamesA hand in the game of blackjack consisting of a face card and an ace.
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card-gamesgamesA variant of switch where each player is initially dealt the same number of cards, usually seven, and when one player plays a black jack the player whose turn comes next has to pick up that many cards, unless they play a red jack (as this normally cancels a black jack).
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card-gamesgamesA variant of hearts where the Jack of Spades is the penalty card.
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The flag (i.e., a jack) traditionally flown by pirate ships; popularly thought to be a white skull and crossed bones on a black field (the Jolly Roger).
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engineeringgovernmentmilitaryA small, flat, blunt, usually leather-covered weapon loaded with heavy material such as lead or ball bearings, intended to inflict a blow to the head that renders the victim unconscious with diminished risk of lasting cranial trauma.
- The pain is sometimes like the dull, heavy thud of being hit with a lead-filled blackjack; other times like a wizard is reaching deep below the skin and ripping muscles, tendons, and nerves.
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aeronauticsaerospaceaviationA tool of leather filled with shot (or similar), resembling the weapon, used for shaping sheet metal.
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Any of several species of weed of genus Bidens, such as Bidens pilosa, in the family Compositae.
另外 2 個記錄的用法
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Any of a series of hard, dark soils, often considered low quality, but suitable for growing certain crops such as cotton.
- This man had a brother about six miles off, settled on a rich White River bottom-land farm -- and while a blackjack clay soil yielded seventy bushels to the acre, this fine bottom-land would not average fifty.
- Blackjack soil is generally the poorest of all; it covers the narrow and rocky ridges, and has a stunted growth of blackjack and post oaks. The soil is dark in color, thin and cold, and is underlaid with pale yellow or slate-colored clay.
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raremedicinepharmacologysciencesAmmonium bituminosulfonate.
- "Next!" steps gingerly in to confront the medical eye fastened questioningly upon him. "Crook in the guts," he says tersely. The picturesque reports of previously treated and disgusted patients - have left him doubtful, and he casts, an anathematising eye upon the "Black Jack" bottle. "Tabloids and duty!" says the doctor, and the sufferer sighs with relief.
- I remember Black Jack very well and actually like the smell. It is no longer available with that trade name but glycerine of ichthammol can still be bought in chemists.
blackjackverb/ˈblækd͡ʒæk/
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To strike with a blackjack or similar weapon.
- “We cannot have you getting blackjacked and bound yet again.”
這個拼法也被記錄為下列字的變化形：
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。