Definition

1. Proper noun:
   • A small, bright constellation in the southern hemisphere: Crux Australis, commonly known as the Southern Cross, is a small but prominent constellation located in the Milky Way, near the constellation Centaurus. It is notable for its distinctive cross-shaped asterism.

Usage

• Proper noun:
  • Crux Australis is one of the most recognizable constellations in the southern sky.
  • Navigators have used Crux Australis to find the direction south for centuries.

Advanced Usage

• "The Crux": Often used as a shortened, informal name for Crux Australis.
  • We looked up and saw the Crux shining brightly.

Variants and Related Words

• Southern Cross: The common name for Crux Australis.

  • The flag of New Zealand features the Southern Cross.

• Crux: A shortened form used in astronomical contexts.

  • The star Acrux is the brightest star in Crux.

Synonyms

• Southern Cross: The most common synonym.
• Crux: The standard abbreviated name in astronomy.

Notes

• Crux Australis is a proper noun and is always capitalized. It refers specifically to this constellation and is not used with an article (e.g., "the Crux Australis" is generally incorrect; "the Southern Cross" is preferred when using an article).

Noun

1. a small conspicuous constellation in the southern hemisphere in the Milky Way near Centaurus