sherlock sherlock /ˈʃɝːˌlɑːk/

noun

1. Someone who can be employed as a detective to collect information  ( operative , PI , private detective , private investigator , shamus , sherlock , private eye )
   someone who can be employed as a detective to collect information
     The skilled private detective solved complex cases that baffled the police.
   The skilled private detective solved complex cases that baffled the police.