The representation of a mantle, or the drapery behind and around a coat of arms.(noun)
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Use "mantling" in a sentence
"The music, as well as his words, had floated to the deep bay window; the curtains had swiftly and noiselessly parted, and she was stealing after his retreating figure with an expression mantling her face which brought out every detail of its great beauty."
"Sohothin engulfed the weapon, fire mantling the hammerhead."
"The Romney campaign is better at dismantling than mantling."