mum

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++mum1 /mʌm/ ●●● S1 W2 noun [countable]  1. British EnglishMOTHER mother 妈妈 SYN American English mom2. mum’s the word spokenTELL A SECRET used to tell someone that they must not tell other people about a secret 别声张，不要讲出去，要保密

Examples from the Corpus

mum• In the vast majority of cases this means giving them a mum and dad.• And for mums with their hands full, there's a trouble-free container.• John, desperate to keep his throne, sticks close to his mum for comfort.• When the last hymn is sung, it's time to join mums and dads over the road at the church.• Now my mum and dad come to just about every concert.• My mum and dad won't mind if you want to stay the night.• Being a single mum is never easy.• A few times I sat down in the kitchen and almost told mum but changed my mind.mum2 adjective  keep mum informalTELL A SECRET to not tell anyone about a secret 别声张，要保密

Examples from the Corpus

mum• Course when I was up there, everything was mum.• The designer and the White House are mum about colors and particulars.• Bush remained mum when the Rev.Origin mum1 1. (1800-1900) → MUMMY 1. 2. (1700-1800) → MUM2 mum2 (1400-1500) From the sound made with closed lips

mum1 nounmum2 adjectiveChinese  

mother Corpus

mum

I

mum¹ S1 W2 /mʌm/ noun [countable]1. British English mother
   SYN  mom American English
2. mum’s the word spoken used to tell someone that they must not tell other people about a secret
     

THESAURUS

   ▪ mother a female parent: My mother and father are both teachers.
   ▪ mum British English informal, mom American English informal used when talking to your father, or about someone's father: My mum and dad won’t mind if you want to stay the night. | Mom, where’s my sweater?
   ▪ mummy British English, mommy American English a name for mother, which is used especially by young children or when you are talking to young children: Where’s Mummy, Abbie?
   ▪ ma American English old-fashioned used when talking to your mother, or about someone's mother: Ma stirred the soup on the stove.
   ▪ mama old-fashioned used when talking to your mother, or about someone's mother: Mama seldom disagreed with Papa.
   ▪ stepmother (also stepmum British English informal, stepmom American English informal) a woman who is married to your father, who is not your mother but often acts as your parent: the wicked stepmother in fairy stories

II

mum² adjectivekeep mum informal to not tell anyone about a secret