Source : Webster's Revised Unabridged Dictionary (1913)

Rondel \Ron"del\, n. [Cf. {Rondeau}, {Roundel}.]
   1. (Fort.) A small round tower erected at the foot of a
      bastion. [Obs.]

   2. [F.]
      (a) Same as {Rondeau}.
      (b) Specifically, a particular form of rondeau containing
          fourteen lines in two rhymes, the refrain being a
          repetition of the first and second lines as the
          seventh and eighth, and again as the thirteenth and
          fourteenth. --E. W. Gosse.

Source : WordNet®

rondel
     n : a French verse form of 10 or 13 lines running on two rhymes;
         the opening phrase is repeated as the refrain of the
         second and third stanzas [syn: {rondeau}]