Definition and background:
An old French dance in use during the Baroque period said to have come from Auvergne, but may be a Spanish dance coming from Biscay, where it is still in use. It is very rapid and hearty, usually in 2/4 or 2/2 time.
For more information on the music term "Bourree" check out these other resources:
Wikipedia - Glossary of Musical Terminology
Virginia Tech Multimedia Music Dictionary
ORB -- Medieval Music Glossary