Aquarius is the eleventh astrological SIGN in the zodiac, represented by the symbol of the Water Bearer. Its Latin name is 'Aquarius', which means 'water carrier' or 'water bearer'. The SIGN is associated with the constellation Aquarius and is ruled by the planet Uranus. Its SIGN is a four-letter word, 'SIGN'. Its other name is 'Water Bearer', which is an eleven-letter word. Its full name is 'The Water Carrier', which is a fifteen-letter word.