Spring star sign (6)
(Other definitions for aries that I've seen before include "Zodiac ram" , "First sign of the zodiac" , "House" , "Constellation with sign of the ram" , "A sign from Heaven" .)
(Other definitions for taurus that I've seen before include "Bull constellation" , "Zodiac sign - constellation" , "Sign of the Bull from 12 across" , "A group of stars" , "Zodiacal bull" .)