Meaning of “mum” in the English Dictionary

"mum" in English

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mumnoun [ C ]

uk /mʌm/ us /mʌm/

A1 UK informal US mom a mother:

I'll ask my mum if I can go.
All the mums and dads are invited to the school play at the end of the year.
She loves being a mum.

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uk /mʌm/ us /mʌm/ informal

(Definition of “mum” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"mum" in American English

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mumadjective [ not gradable ]

us /mʌm/

mum adjective [ not gradable ] (SILENT)

silent in order not to tell anyone what you know:

The governor is keeping mum about his plans.

mumnoun [ C ]

us /mʌm/

mum noun [ C ] (FLOWER)

short form ofchrysanthemum

(Definition of “mum” from the Cambridge Academic Content Dictionary © Cambridge University Press)