Mantling p. pr. & vb. n. : of Mantle

Mantling n. : The representation of a mantle, or the drapery behind and around a coat of arms: -- called also lambrequin.

Example:
What causes the direction of currents in the mantle in the Earth?

Taxonomy
helmet, shield, colours, crest, arms, free encyclopedia, heraldry, tinctures, Coat of arms, pale, elements, metal, exceptions, furs, Cyril, Woods, protective cloth, cloth covering.

Defination from the web:
mantling is usually in the main colours of the shield, or else in the livery colours that symbolize the entity bearing the arms, though there ... Cadency · Crest · Compartment · Helmet · Mantling · Quartering · Shield · Supporters ...