A·quar·i·us / əˈkwe(ə)rēəs/ 1. Astron. a large constellation, the Water-carrier or Water-bearer, said to represent a man pouring water from a jar. ∎  [as genitive] (A·quar·i·i / -ēˌī/ ) used with a preceding letter or numeral to designate stars: the star Alpha Aquarii.2. Astrol. the eleventh sign of the zodiac, which the sun enters about January 21. ∎  (an Aquarius) a person born when the sun is in this sign.

Aquarius in astrology, the eleventh sign of the zodiac, which the sun enters about 21 January. The name is from Latin ‘of water’, used as a noun to mean ‘water carrier’.

The Age of Aquarius is an astrological age which is about to begin, marked by the precession of the vernal equinox into Aquarius, believed by some to herald worldwide peace and harmony.

Aquarius (water-bearer) Eleventh constellation of the zodiac, represented by a figure pouring water from a jar.