Source : Webster's Revised Unabridged Dictionary (1913)

Mummy \Mum"my\, v. t. [imp. & p. p. {Mummied}; p. pr. & vb. n.
   {Mummying}.]
   To embalm; to mummify.

Mummy \Mum"my\, n.; pl. {Mummies}. [F. momie; cf. Sp. & Pg.
   momia, It. mummia; all fr. Per. m?miy[=a], fr. m?m wax.]
   1. A dead body embalmed and dried after the manner of the
      ancient Egyptians; also, a body preserved, by any means,
      in a dry state, from the process of putrefaction. --Bacon.

   2. Dried flesh of a mummy. [Obs.] --Sir. J. Hill.

   3. A gummy liquor that exudes from embalmed flesh when
      heated; -- formerly supposed to have magical and medicinal
      properties. [Obs.] --Shak. --Sir T. Herbert.

   4. A brown color obtained from bitumen. See {Mummy brown}
      (below).

   5. (Gardening) A sort of wax used in grafting, etc.

   6. 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.

Source : WordNet®

mummy
     n 1: informal terms for a mother [syn: {ma}, {mama}, {mamma}, {mom},
           {momma}, {mommy}, {mammy}, {mum}, {mater}]
     2: a body embalmed and dried and wrapped for burial (as in
        ancient Egypt)