die down die down /daɪ daʊn/

verb

1. Become progressively weaker  ( die down )
   become progressively weaker
    The laughter died down
   the laughter died down
   
2. Suffer from a disease that kills shoots  ( die back , die down )
   suffer from a disease that kills shoots
    The plants near the garage are dying back
   The plants near the garage are dying back