From Longman Dictionary of Contemporary EnglishAquariusA‧quar‧i‧us /əˈkweəriəs $ əˈkwer-/ noun 1 [uncountable]ROA the 11th sign of the zodiac, represented by a person pouring water, which some people believe affects the character and life of people born between January 21 and February 192 (also Aquarian)ROA [countable] someone who was born between January 21 and February 19 —Aquarian adjective
Examples from the Corpus
Aquarius• Dana's an Aquarius.• Dominic knows that in the 1960s the equinox had progressed to Aquarius.• The street we were living on was Aquarius.Origin Aquarius (1300-1400) Latin “water-carrier” 