The Collaborative International Dictionary of English v.0.48:

Palinode \Pal"i*node\, n. [L. palinodia, from Gr. ?; pa`lin
   again + ? a song. See Ode.]
   1. An ode recanting, or retracting, a former one; also, a
      repetition of an ode.
      [1913 Webster]

   2. A retraction; esp., a formal retraction. --Sandys.
      [1913 Webster]