finder has definitions from the fields of physics,optics,geography
1
[ noun ] someone who is the first to observe something

Synonyms

spotter discoverer

Related terms

perceiver

2
[ noun ] (geography) someone who is the first to explore a place

Synonyms

spotter discoverer

3
[ noun ] someone who comes upon something after searching

Related terms

seeker find

4
[ noun ] Last name, frequency rank in the U.S. is 32028
5
[ noun ] (physics,optics) optical device that helps a user to find the target of interest
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