Ar·i·es

/ˈeriz/ noun, pl Aries

1 [noncount] : the first sign of the zodiac : the sign of the zodiac that comes between Pisces and Taurus and has a ram as its symbol

2 [count] : a person born under the sign of Aries : a person born between March 21 and April 19

My friend is an Aries and I'm a Taurus.