aquarius Meaning, Definition & Usage

  1. noun (astrology) a person who is born while the sun is in Aquarius
    Water Bearer.
  2. noun a zodiacal constellation in the southern hemisphere; between Capricornus and Pisces
  3. noun the eleventh sign of the zodiac; the sun is in this sign from about January 20 to February 18
    Aquarius the Water Bearer; Water Bearer.

WordNet

A*qua"ri*us noun
Etymology
L. aquarius, adj., relating to water, and n., a water-carrier, fr. aqua. See Aqua.
Definitions
  1. (Astron.) (a) The Water-bearer; the eleventh sign in the zodiac, which the sun enters about the 20th of January; -- so called from the rains which prevail at that season in Italy and the East. (b) A constellation south of Pegasus.

Webster 1913