Crux meaning

krŭks, kro͝oks
A cross.
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The basic, central, or essential point or feature.
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The definition of crux is the central point of something, or is something that seems impossible to solve.

An example of a crux is the most important beliefs of a religion.

An example of a crux is a Rubik's cube.

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The basic, central, or critical point or feature.

The crux of the matter; the crux of an argument.

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A puzzling or apparently insoluble problem.
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A difficult problem; puzzling thing.
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The essential or deciding point.
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A small S constellation near the celestial pole, containing the Coalsack; the Southern Cross; the Cross.
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The hardest point of a climb.
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(heraldry) A cross on a coat of arms.
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(astronomy) A distinctive winter constellation of the southern sky, shaped like a cross. It appears in the flags of several countries in Oceania.
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Origin of crux

  • Probably short for Medieval Latin crux (interpretum) torment (of interpreters) from Latin crux cross
    From American Heritage Dictionary of the English Language, 5th Edition
  • Modern Latin from Latin crux cross
    From American Heritage Dictionary of the English Language, 5th Edition
  • From Latin crux (“cross, wooden frame for execution”) (English cross), from the Proto-Indo-European *(s)ker- (“to turn, to bend”).
    From Wiktionary
  • Latin crux (“a cross”)
    From Wiktionary