Aquarius_(constellation) Aquarius (, genitive Aquarii ) is a constellation of the zodiac, situated between Capricornus and Pisces. Its name is Latin for water-bearer or cup-bearer, and its symbol is (), a representation of water. Aquarius is one of the oldest of the recognized constellations along the zodiac (the sun's apparent path). It is found in a region often called the Sea due to its profusion of constellations with watery associations such as Cetus the whale, Pisces the fish and Eridanus the river.