crux

The definition of crux is the central point of something, or is something that seems impossible to solve.

(noun)

See crux in Webster's New World College Dictionary

noun pl. cruxes or cruces

Heraldry a cross
a difficult problem; puzzling thing
the essential or deciding point
a small S constellation near the celestial pole containing the Coalsack; the Southern Cross; the Cross

Origin: L, cross

See crux in American Heritage Dictionary 4

crux

noun pl. cruxes crux·es or cru·ces (kro͞oˈsēz)

The basic, central, or critical point or feature: the crux of the matter; the crux of an argument.
A puzzling or apparently insoluble problem.

Origin: Probably short for Medieval Latin crux (interpretum), torment (of interpreters), from Latin crux, cross.

Crux

noun

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