What does "mummy" mean?

Additional senses

1. 2.A gummy liquor that exudes from embalmed flesh when heated; -- formerly supposed to have magical and medicinal properties. [Obs.] Shak. Sir T. Herbert.
2. 3.A brown color obtained from bitumen. See Mummy brown (below).
3. 4.(Gardening) A sort of wax used in grafting, etc.
4. 5.One whose affections and energies are withered. Mummy brown, a brown color, nearly intermediate in tint between burnt umber and raw umber. A pigment of this color is prepared from bitumen, etc., obtained from Egyptian tombs. -- Mummy wheat (Bot.), wheat found in the ancient mummy cases of Egypt. No botanist now believes that genuine mummy wheat has been made to germinate in modern times. -- To beat to a mummy, to beat to a senseless mass; to beat soundly.
5. 6.To embalm; to mummify.