J  |
| Jam |
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An illegal shot made with unlawfully prolonged contact between the ball and the arch when a ball lies against the wicket. |
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| Jaws |
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Entrance to the wicket. (see: Hades). |
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| Join Up |
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To play the ball near its partner. |
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| Jump Ball |
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By hitting down on the ball, the striker can make the ball jump over an obstructing ball; prohibited on some courses. |
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