Simple past tense and past participle of mantle.(verb)
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Use "mantled" in a sentence
"A dark expression mantled Napoleon's face, and, bending an angry glance on Duroc, he said, "It is well known that you were always foolishly in love with the Queen of Prussia, and, according to your statement, one might believe there was no woman in the whole world so beautiful as she is.""
"What we witnessed from the first was a half-mantled Ikea wardrobe ( "mantled" being the opposite of "dismantled", which I feel is the right word to use here even if it's theoretically wrong) in her bedroom, lying on its side."
"It's called "mantled" because it looks as if it's just draped over, or mantling, the topography underneath."