Crux Definition

krŭks, kro͝oks
cruces, cruxes
noun
cruxes
A cross.
Webster's New World
A difficult problem; puzzling thing.
Webster's New World
The essential or deciding point.
Webster's New World
A small S constellation near the celestial pole, containing the Coalsack; the Southern Cross; the Cross.
Webster's New World
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.
YourDictionary
Antonyms:
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pronoun

(astronomy) A distinctive winter constellation of the southern sky, shaped like a cross. It appears in the flags of several countries in Oceania.

Wiktionary

Other Word Forms of Crux

Noun

Singular:
crux
Plural:
cruces, cruxes

Origin of Crux

  • From Latin crux (“cross, wooden frame for execution”) (English cross), from the Proto-Indo-European *(s)ker- (“to turn, to bend”).

    From Wiktionary

  • Probably short for Medieval Latin crux (interpretum) torment (of interpreters) from Latin crux cross

    From American Heritage Dictionary of the English Language, 5th Edition

  • Latin crux (“a cross”)

    From Wiktionary

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