Pronunciation: (ō-tä'vu rē'mu), [key]
—pl. ot•ta•va ri•mas.
an Italian stanza of eight lines, each of eleven syllables (or, in the English adaptation, of ten or eleven syllables), the first six lines rhyming alternately and the last two forming a couplet with a different rhyme: used in Keats' Isabella and Byron's Don Juan.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.