sleuthdog
/ˈsloʊθdɔɡ/Definitions
1. noun
A person who is skilled at tracing and following clues, especially in a detective or investigative context.
“The sleuthdog was hired to solve the mystery of the missing treasure.”
2. noun
A dog trained to track and follow scents, often used in search and rescue operations.
“The search team used a skilled sleuthdog to locate the missing hiker.”