discoverer Meaning, Definition & Usage

  1. noun someone who is the first to think of or make something
    artificer; inventor.
  2. noun someone who is the first to observe something
    spotter; finder.

WordNet

Dis*cov"er*er noun
Definitions
  1. One who discovers; one who first comes to the knowledge of something; one who discovers an unknown country, or a new principle, truth, or fact.
    The discoverers and searchers of the land. Sir W. Raleigh.
  2. A scout; an explorer. Shak.

Webster 1913