Definition of "Sagittarius"

(astronomy) A constellation of the zodiac supposedly shaped like a centaur who is an archer. It contains the stars Kaus Australis and Nunki.  examples

(astrology) The zodiac sign for the archer, ruled by Jupiter and covering November 23 - December 21 (tropical astrology) or December 16 - January 14 (sidereal astrology).

(astrology) Someone with a Sagittarius star sign.