Arcturus

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Arc·tu·rus

 (ärk-to͝or′əs, -tyo͝or′-)
n.
The fourth brightest star in the sky and the brightest star in the constellation Boötes, approximately 36 light years from Earth.

[Middle English, from Latin Arctūrus, from Greek Arktouros : arktos, bear; see r̥tko- in Indo-European roots + ouros, guard (from its position behind Ursa Major); see wer- in Indo-European roots.]

Arcturus

(ɑːkˈtjʊərəs)
n
(Celestial Objects) the brightest star in the constellation Boötes: a red giant. Visual magnitude: –0.4; spectral type: K2III; distance: 37 light years
[C14: from Latin, from Greek Arktouros, from arktos bear + ouros guard, keeper]
Arcˈturian adj

Arc•tu•rus

(ɑrkˈtʊər əs, -ˈtyʊər-)

n.
a first-magnitude star in the constellation Boötes.
[1352–75; < Middle French < Latin < Greek Arktoûros=árkt(os) bear (see Ursa Major) + oûros guardian]
Arc•tu′ri•an, adj.

Arc·tu·rus

(ärk-to͝or′əs)
The brightest star in the Northern Hemisphere. It is in the constellation Boötes.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Arcturus - the 4th brightest star and the brightest star in the constellation BootesArcturus - the 4th brightest star and the brightest star in the constellation Bootes; 36 light-years from Earth
Bootes - a constellation in the northern hemisphere near Ursa Major
Translations
Arcturus
Arcturus