/saj'i tair"ee euhs/ , n., gen. Sagittarii /-tair"ee uy'/ for 1.
1. Astron. the Archer, a zodiacal constellation between Scorpius and Capricorn.
2. Astrol.
a. the ninth sign of the zodiac: the mutable fire sign. See illus. under zodiac .
b. a person born under this sign, usually between November 22nd and December 21st; a Sagittarian.
[ 1350-1400; ME sagittarius archer, equiv. to sagitt ( a ) arrow + - arius -ARY ]