finder

Meanings

1. 1
   noun

   a person who finds or discovers someone or something

   The finder returned the wallet without taking the reward.

2. 2
   noun

   a device used to locate, aim at, or frame a distant object

   The surveyor checked the target through the instrument's finder.

From Middle English findere, an agent noun formed from find + -er. The ordinary person sense is old; the technical sense was later applied to optical and electronic devices that help users locate or aim at a target.

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