rapper rapper /ˈræpɝ/

noun

1. A device (usually metal and ornamental) attached by a hinge to a door  ( doorknocker , knocker , rapper )
   a device (usually metal and ornamental) attached by a hinge to a door
   
   
2. Someone who performs rap music  ( rapper )
   someone who performs rap music
    The rapper released a new single that topped the charts.
   The rapper released a new single that topped the charts.