1. finder - Noun
2. Finder - Proper noun
One who, or that which, finds; specifically (Astron.), a small telescope of low power and large field of view, attached to a larger telescope, for the purpose of finding an object more readily.
Source: Webster's dictionaryIn practical terms the South Pointing Chariot was a simple direction finder. It could have been made to point in any direction - north, south, east or west. Kit Williams
The neurotic ... is not the voluntary happy seeker of truth, but the forced, unhappy finder of it. Otto Rank
I think I'm the edge finder. M.I.A.
The seeker is the finder. Afghan Proverb
En blind hǿne finder også et korn. Danish Proverb
A basic lidar system involves a laser range finder reflected by a rotating mirror (top). Source: Internet