The redondilla admits of great variety; but in the romances it is most frequently found to consist of eight syllables, the last foot, and some or all of the preceding, as the case may be, being trochees.    From Wordnik.com.  [The History of the Reign of Ferdinand and Isabella the Catholic — Volume 2] Reference

Conde has given a translation of certain Spanish-Arabian poems, in the measure of the original, from which it is evident, that the hemistich of an Arabian verse corresponds perfectly with the redondilla.    From Wordnik.com.  [The History of the Reign of Ferdinand and Isabella the Catholic — Volume 2] Reference