crux

  1. Proper noun.  (constellation) A distinctive winter constellation of the southern sky, shaped like a cross. It appears in the flags of several countries in Oceania.
  2. Noun.  The basic, central, or essential point or feature.
  3. Noun.  The critical or transitional moment or issue, a turning point.
  4. Noun.  A puzzle or difficulty.
  5. Noun.  The hardest point of a climb.
  6. Noun.  (heraldiccharge) A cross on a coat of arms.

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This entry was last updated on RefTopia from its source on 3/20/2012.