Definition of listel in English:

listel

noun

Architecture
  • A narrow strip with a flat surface running between moldings.

    Also called fillet
    • ‘The great cornices found in northern Italy are rare in the South, and are frequently reduced to simple listels.’

Origin

Late 16th century: from Italian listello, diminutive of lista strip, band.

Pronunciation:

listel

/ˈlistəl/