Meaning of ballad stanza

bal'lad stan"za

Pronunciation: [key]
— Pros. Pros.
  1. a four-line stanza consisting of unrhymed first and third lines in iambic tetrameter and rhymed second and fourth lines in iambic trimeter, often used in ballads.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.