Arcturus
//ɑɹkˈtjʊəɹəs// name
name ·Rare ·Advanced level
Definitions
Proper Noun
- 1 A bright yellow-orange star in the constellation Boötes; Alpha (α) Boötis. It is the fourth-brightest star in the night sky.
"When humanity activated the Charon Mass Relay in 2149, it led to Arcturus, 36 light years from Sol, Earth's sun. Arcturus is the third brightest star seen from Earth. It is an ancient red giant from the generation born before Sol."
Example
More examples"The sun's eclipses and the changing moons, / whence man and beast, whence lightning and the rain, / Arcturus, watery Hyads and the Wain; / what causes make the winter nights so long, / why sinks the sun so quickly in the main."
Etymology
Borrowed from Latin Arctūrus.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.