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noun, Astronomy.
the North Star, another name for Polaris (sense 1)

“Pole Star, Polaris,” Middle English norþe sterre (late 14c.); cf. Middle Dutch noirdstern, German nordstern.
North Star
See Polaris.
North Star (Polaris)

A star positioned along the line in space that includes the axis of rotation of the Earth. For this reason, the star does not appear to move in the sky, but remains fixed above the North Pole.

Note: Locating the North Star is useful in navigation.


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