The Collaborative International Dictionary of English v.0.48:

November \No*vem"ber\, n. [L. November, or Novembris (sc.
   mensis), the ninth month of the old Roman year, which began
   with March, fr. novem nine: cf. F. Novembre. See Nine.]
   The eleventh month of the year, containing thirty days.
   [1913 Webster]

WordNet (r) 3.0 (2006):

November
    n 1: the month following October and preceding December [syn:
         November, Nov]

The Devil's Dictionary (1881-1906):

NOVEMBER, n.  The eleventh twelfth of a weariness.