Definition of "pointer"
noun:
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Anything that points or is used for pointing.
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A needle-like component of a timepiece or measuring device that indicates the time or the current reading of the device.
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A breed of hunting dog.
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A variable that holds the address of a memory location where a value can be stored.
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An icon that indicates the position of the mouse; a cursor.
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A tip, a bit of advice (usually plural.).
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Something worth a given number of points.
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