/ ˈmʌmi; NAmE / noun ( pl. -ies )
1.
( BrE ) ( NAmE mommy , momma ) ( informal ) a child's word for a mother :
'I want my mummy!' he wailed.
It hurts, Mummy!
Mummy and Daddy will be back soon.
2.
a body of a human or an animal that has been mummified :
an Egyptian mummy
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WORD ORIGIN
sense 1 late 18th cent.: perhaps an alteration of earlier mammy .
sense 2 late Middle English (denoting a substance taken from embalmed bodies and used in medicines): from French momie , from medieval Latin mumia and Arabic mūmiyā embalmed body, perhaps from Persian mūm wax.