Aries, the sign of the zodiac which the sun enters about the 21st of March.

The constellation Aries, which does not now, as formerly, occupy the sign of the same name.

(astrology) a person who is born while the sun is in Aries

the first sign of the zodiac which the sun enters at the vernal equinox; the sun is in this sign from about March 21 to April 19

The symbol for Aries, hence found on the Emperor's throne. A symbol of virility, tenacity, and warlike nature (association with Mars).