Definition of Sagittarius

Noun: Sagittarius  ,sa-ji'teh-ree-us

1. The ninth sign of the zodiac; the sun is in this sign from about November 22 to December 21
   - Sagittarius the Archer, Archer
    
2. Type genus of the Sagittariidae
   - genus Sagittarius
    
3. A large zodiacal constellation in the southern hemisphere; between Scorpius and Capricornus
    
4. (astrology) a person who is born while the sun is in Sagittarius
   - Archer

See also:
Sagittariidae
sagittary