1. The Water-bearer, the 11th sign of the zodiac, which the sun enters about the 21st of January.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• aquerium,
• acquariums,
• aquarious,
• aquarias,
• aquarim,
• aqurium,
• aquarum,
• aquariume,
• aquariams,
• aquaris,
• aquirims,
• aquariam,
• daquaris,
• aquarian,
• aquarism,
• aquaria,
• acquarium,
• aquairium,
• aquirium,
• aquaried

The adjective form of the word "Aquarius" is "Aquarian".