The definition of a mum is a strong beer, a shorter way of referencing the flower chrysanthemum or a British term for mother.(noun)
Mum is defined as a way to request that someone stop talking.(interjection)
An example of mum is what a librarian would tell someone talking on their cell phone in a library: "Mum. No talking please."
Mum is defined as to act as a mime or wear a mask to a festival.(verb)
Mum means not talking.(adjective)
An example of mum is a person sitting quietly in the corner; a mum person.
See mum in Webster's New World College Dictionary
Origin: Ger mumme: said to be named after Christian Mumme, 15th-c. Ger brewer
Origin: ME momme, echoic of sound made with the lips closed
See mum in American Heritage Dictionary 4
Origin: Middle English, perhaps imitative of closing one's lips.
intransitive verb mummed mummed, mum·ming, mums
Origin: Middle English mummen
Origin: , from Old French momer, to wear a mask.
Origin: Short for mummy2.
Origin: German Mumme.
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