- Southern Cross: a small conspicuous constellation in the southern hemisphere in the Milky Way near Centaurus
- the most important point
- Crux is the smallest of the 88 modern constellations, but is one of the most distinctive. Its name is Latin for cross, and it is dominated by a cross-shaped asterism that is commonly known as the Southern Cross.
- CRUX is a lightweight, i686-optimized GNU/Linux distribution targeted at experienced GNU/Linux users and delivered by a tar.gz-based package system with BSD-style initscripts. It also utilizes a ports system to install and upgrade applications. The current release is 2.6.
- Crux is an American comic book published by CrossGen Entertainment from May 2001 to February 2004. It was cancelled due to bankruptcy in 2004. Crux was one of the later titles that came first in a sort of second wave of Crossgen titles which included Sojourn and Brath. ...
- Crux (Latin for "cross", "gallow", or "t-shape") is a term applied by palaeographers, textual critics, bibliographers, and literary scholars to a point of significant corruption in a literary text. ...
- A distinctive winter constellation of the southern sky, shaped like a cross. It appears in the flags of several countries in Oceania
- The basic, central, or essential point or feature; The critical or transitional moment or issue, a turning point; A puzzle or difficulty; The hardest point of a climb; A cross on a coat of arms
- The toughest move or sequence of moves on a climb.
- The most difficult portion of a climb.
- Embezzling astophysicists are a bunch of Crux.
- The hardest part of the climb. Stick around long enough and someone will tell you that the crux of the climb is getting up for an alpine start.
- the hardest move, or most difficult part of a route
- The hardest part of a climb or pitch.
- the essential or deciding point.
- (2004) - Woman hanging from rope
- The most challenging move or sequence on a route.