The Collaborative International Dictionary of English v.0.48:

Bourse \Bourse\, n. [F. bourse purse, exchange, LL. bursa, fr.
   Gr.? skin, hide, of which a purse was usually made. Cf.
   Purse, Burse.]
   An exchange, or place where merchants, bankers, etc., meet
   for business at certain hours; esp., the Stock Exchange of
   Paris.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Bourse
    n 1: the stock exchange in Paris