mum
Concise Oxford English Dictionary © 2008 Oxford University Press:
mum1
▶noun Brit. informal one's mother.
Concise Oxford English Dictionary © 2008 Oxford University Press:
mum2
▶adjective (in phr. keep mum) informal remain silent so as not to reveal a secret.
– phrases
mum's the word do not reveal a secret.
mum's the word do not reveal a secret.
– origin ME: imitative of a sound made with closed lips.
Concise Oxford English Dictionary © 2008 Oxford University Press:
mum3
▶verb (mums, mumming, mummed) act in a mummers' play.
'mum' also found in these Oxford entries:
