mantleEnglishOxford American Thesaurusmantle noun 1 a dark green velvet mantle: cloak, cape, shawl, wrap, stole; rare pelisse, pelerine; in South America poncho, serape; archaic mantlet. 2 houses covered in a thick mantle of snow: covering, layer, blanket, sheet, veil, curtain, canopy, cover, cloak, pall, shroud, screen, mask, cloud, overlay, envelope. 3 the mantle of leadership: role, burden, onus, duty, responsibility, function, position, capacity, task, job.verb heavy mists mantled the forest: cover, envelop, veil, cloak, curtain, shroud, swathe, wrap, blanket, screen, cloud, conceal, hide, disguise, mask, obscure, surround, overlay, clothe; literary enshroud.