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sky compass

American  

noun

Navigation.
  1. a device for taking a bearing by means of polarized sunlight when the sun is invisible.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When used with the proper tables, the sky compass gives the direction in which the plane is flying.

From Time Magazine Archive

One gadget it has found useful is the Pfund� sky compass which polarizes light reflected from the sky�and points to the spot on the horizon directly above the invisible sun.

From Time Magazine Archive

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