1. (

• lower ,
• lour ,

) set lower; "lower a rating"; "lower expectations" ;

2. (

• turn_down ,
• lower ,
• lour

) make lower or quieter; "turn down the volume of a radio" ;

3. (

• frown ,
• glower ,
• lour ,
• lower

) look angry or sullen, wrinkle one's forehead, as if to signal disapproval ;