1. (

• florist's_chrysanthemum ,
• florists'_chrysanthemum ,
• mum ,
• Dendranthema_grandifloruom ,
• Chrysanthemum_morifolium

) of China ;

2. (

• ma ,
• mama ,
• mamma ,
• mom ,
• momma ,
• mommy ,
• mammy ,
• mum ,
• mummy

) informal terms for a mother ;

3. (

• mum

) secrecy; "mum's the word" ;

1. (

• mum ,
• silent

) failing to speak or communicate etc when expected to; "the witness remained silent" ;