Definition of mantling in English:

mantling

noun

Heraldry
  • A piece of ornamental drapery depicted issuing from a helmet and surrounding a shield.

    Compare with lambrequin (sense 2)
    • ‘The coat of arms with its elaborate rococo style mantling has almost no identifiable Chinese precedent.’

Origin

Late 16th century: from mantle + -ing.

Pronunciation

mantling

/ˈmantl-iNG/