Arcturus Definition

ärk-to͝orəs, -tyo͝or-
noun
The fourth brightest star in the sky and the brightest star in the constellation Boötes, approximately 36 light years from Earth.
American Heritage
A giant, orange, variable star in the constellation Boötes, the brightest star in the N celestial sphere: magnitude, −0.05
Webster's New World
pronoun

(astronomy) A bright yellow-orange star in the constellation Boötes; Alpha (α) Boötis. It is the third brightest star in the night sky.

Wiktionary

Origin of Arcturus

  • Middle English from Latin Arctūrus from Greek Arktouros arktos bear r̥tko- in Indo-European roots ouros guard (from its position behind Ursa Major) wer-3 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Borrowed from Latin Arctūrus.

    From Wiktionary

Find Similar Words

Find similar words to Arcturus using the buttons below.

Words Starting With

Words Ending With

Unscrambles

Arcturus