chiefly Brit, informal an affectionate name for one's mother
[baby talk, variant of mama, mamma1]
mummy2noun (pl -ies) (pl mummies)
a body embalmed and wrapped for burial in the manner of the ancient Egyptians
an unusually well-preserved dead body
[Middle English mummie powdered parts of a mummified body used as a drug, from early French momie from late Latin mumia mummy, powdered mummy, from Arabic mūmiyah bitumen, mummy, from Persian mūm wax]