To wrap up in something that conceals or protects; to wrap, as the face and neck, in thick and disguising folds; hence, to conceal or cover the face of; to envelop; to inclose; often with up
An earthenware compartment or oven, often shaped like a half cylinder, used in furnaces to protect objects heated from the direct action of the fire, as in scorification of ores, cupellation of ore buttons, etc
If something muffles a sound, it makes it quieter and more difficult to hear. Blake held his handkerchief over the mouthpiece to muffle his voice She heard a muffled cough behind her
A fire-clay box in which glass (or porcelain) objects are enclosed, when placed in the muffle kiln, to protect them from the flames and smoke while being subjected to low-temperature firing, especially in the process of firing enamels and gilding at temperatures of 5900-700C