englyn

noun1

1. •
   A short Welsh or Cornish poem of a variable structure, with each line using quantitative metre and cynghanedd (a repeating pattern of consonants and accent), and different lines being arranged in standardized patterns of rhyme and half rhyme.

   • The englyn as we know it in Canu Llywarch Hen and Elegy on Cynddylan is characterized by three lines with end rhyme. — 1993