
1) Card game terminology 2) Sports terminology
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https://www.crosswordclues.com/clue/wild-card

Player allowed to play in a tournament, even if his/her rank is not adequate or he/she does not register in time. Typically a few places in the draw are reserved for wild cards, which may be for local players who do not gain direct acceptance or for players who are just outside the ranking required to gain direct acceptance. Wild cards may also be ...
Found on
http://en.wikipedia.org/wiki/Glossary_of_tennis_terms
[card games] Card games, particularly poker games, may contain one or more cards designated as wild. These may be jokers, or they may be normal ranked and suited cards pressed into wild card duty (`deuces wild` is a common variant). In most cases, the wild card or cards must be agreed upon by all players before the cards are dealt and play ...
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http://en.wikipedia.org/wiki/Wild_card_(card_games)
[foresight] In futurology, `wild cards` refer to low-probability, high-impact events. This concept may be introduced into anticipatory decision-making activity in order to increase the ability of organizations adapt to surprises arising in turbulent business environments. Such sudden and unique incidents might constitute turning points in t...
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http://en.wikipedia.org/wiki/Wild_card_(foresight)
[sports] A wild card (or wildcard, or wild-card) is, in general, a tournament or playoff berth awarded to an individual or team that has not qualified through normal play. ==International sports== In international sports, the term is perhaps best known in reference to big international sporting events such as the Olympic Games and Wimbledon...
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http://en.wikipedia.org/wiki/Wild_card_(sports)

A card or cards, established before the game begins, that can be designated by the holder to stand for any other card.
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http://entertainment.howstuffworks.com/card-game-glossary.htm

A card which is not protected from an opponent’s use by any other cards in one’s hand or by any previously played cards. Wild Cards are used in various card games; in Five-Card Draw Poker the Wild Card is traditionally a joker but there are no Wild Cards used in Texas Hold em Poker.
Found on
http://rummytalk.com/glossary-of-gin-rummy-terms/
[Noun] An athlete or team allowed to enter a sports tournament without going through the usual process to qualify.
Example: They won the basketball match after being allowed wild card entry.
Found on
http://www.bbc.co.uk/skillswise/glossary/

(from the article `poker`) In social play, especially in `dealer`s choice,` certain cards may be designated wild cards. A wild card stands for any other card its holder wishes ...
Found on
http://www.britannica.com/eb/a-z/w/36
[Football] a team that makes the NFL playoffs by having one of the 2 best records among non-division winners in its conference.
Found on
http://www.firstbasesports.com/football_glossary.html

A joker or other card that can be used as any other card to complete your hand in card games.
Found on
http://www.jackpot.co.uk/gambling-glossary.php

Wild card is card slang for a playing card which can be used to represent anyother card to make a hand.
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http://www.probertencyclopaedia.com/browse/ZW.HTM

a player allowed to play in a tournament, even if his/her rank is not adequate or does not register in time. Typically a few places in the draw will be reserved for wild cards, which may be for local players who do not gain direct acceptance or for players who are just outside the ranking required to gain direct acceptance.
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http://www.translationdirectory.com/glossaries/glossary148.htm

[
n] - an unpredictable factor 2. [n] - a playing card whose value can be determined by the person who holds it
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http://www.webdictionary.co.uk/definition.php?query=wild%20card

A team, which has the most excellent record among all of the non-division winners of the league but did not win its division by the finish of the standard season. On the basis of the wins, the “wild card” team is picked at the end of the standard season.
Found on
https://www.888sport.com/blog/glossary-sports-terms/glossary-baseball-terms

A card that can be entitled to any rank and suit in a game. In Rummy games, Jokers are used as wild cards to form a set.
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https://www.adda52.com/rummy/terms
noun a playing card whose value can be determined by the person who holds it
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.