- mantle [man′təl]n.[ME mantel < OE mentel & OFr mantel, both < L mantellum, mantelum, a cloth, napkin, cloak, mantle < ? Celt]1. a loose, sleeveless cloak or cape: sometimes used figuratively, in allusion to royal robes of state, as a symbol of authority or responsibility2. anything that cloaks, envelops, covers, or conceals [hidden under the mantle of night]3. a small meshwork hood made of a noncombustible substance, such as a thorium or cerium compound, which when placed over a flame, as in a lantern, gives off a brilliant incandescent light4. the outer wall and casing of a blast furnace, above the hearth5. MANTEL6. Anat. former term for the cortex of the cerebrum7. Geol.a) the layer of the earth's interior between the crust and the coreb) short for MANTLE ROCK8. Zool.a) a major part of a mollusk or similar organism consisting of a sheet of epithelial tissue with muscular, neural, and glandular elements: it covers the viscera and foot under the shell of univalve or bivalve mollusks, secretes the shell, and forms the body of cephalopodsb) the soft outer body wall of a tunicate or barnaclec) the plumage on the back and folded wings of certain birds when it is all the same colorvt.mantled, mantlingto cover with or as with a mantle; envelop; cloak; concealvi.1. to be or become covered, as a surface with scum or froth2. to spread like a mantle, as a blush over the face3. to blush or flush4. Falconry to spread first one wing, then the other, over the outstretched legs: said of a perched hawk
English World dictionary. V. Neufeldt. 2014.