noun, masculine/mɑ̃.to/plural: manteaux
manteau is masculine in French.
coat; mantle (garment worn by Orthodox bishops); mantle; mantle (of molluscs); pavilion
“une cheminée au manteau gravé” — a fireplace with an engraved mantle
Synonyms: pardessus
Inherited from Latin mantellum, diminutive of mantum. Compare Italian mantello.