Dimeter
A Dimeter is a composite of two metrics verse in the ancient seal there anapästische and iambic dimeter
An iambic dimeter follows the scheme: x - υ - | x - υ -; barline is used here to separate the two metrics of iambic versification: x - υ -; here referred to as " υ " a short syllable, "- " a long and "x " is any.
Many church hymns are composed in iambic Dimetern, such as the Pentecost hymn by Rabanus Maurus and the Vexilla of Venantius Fortunatus registered.