Any person who has or is considered to have great powers of observation and deduction.
A series of novels by Arthur Conan Doyle about a consulting detective with keen observational awareness, astute logical reasoning and professional forensic skills; also related media based on the books, such as movies.
The fictional detective who is the protagonist of the series.
A device for throwing the track temporarily to one side for carrying out repairs, etc.
A child's rocker having a seat supported between two boards cut and painted to resemble animals.
A police officer assigned to keep tabs on other members of the police.