Webster's Revised Unabridged Dictionary · 1913

Scorpio

Scorpio , noun

[Latin]

1.
(Zoology) A scorpion.
2.
(a) (Astronomy) The eighth sign of the zodiac, which the sun enters about the twenty-third day of October, marked thus [S] in almanacs.
(b)
(Astronomy) A constellation of the zodiac containing the bright star Antares. It is drawn on the celestial globe in the figure of a scorpion.