A terzanelle is a poetry form which is a combination of the villanelle and the terza rima. It is nineteen lines total, with five triplets and a concluding quatrain. The rhyme scheme is as follows:

ABA'

bCB

cDC

dED

eFE

Ending Type 1:

fAFA'

Ending Type 2:

fFAA'

Poetic form