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1.
A the best saxophone in the family of saxs. It's the second largest and also considered to be a low woodwind. It has a very beautiful sound and if you're a girl and you play the bari sax, you can get any guy in band you want. Often you sit next to the funny tennor saxophone and tuba players. The best part of playing the baritone saxophone is when you get a rockin solo in Jazz Band.
OMG! Bre just hit Bob in the head with her bari sax!

Bari sax rox my sox!
by Bre April 25, 2005
 
2.
The third largest instrument in the saxophone family, pitched in the key of E-flat one octave below the alto sax. Easily one of the sexiest instruments out there.
Found extensively in jazz and in 'band music'; can also be heard in the background music of many commercials and television shows.
by Callie Egnaro July 08, 2005
 
3.
the bari sax is the backbone of most jazz bands. Its all about being long and low and proud baby!!!
STFU or ill beat you with my Bari Sax

Ill sax your face off
by barilicious September 05, 2006