explorer

noun

Etymology: Etymology tree Proto-Indo-European *h₁éǵʰ Proto-Indo-European *-s Proto-Indo-European *h₁éǵʰs Proto-Italic *eks Latin ex Latin ex- Latin plōrō Latin explōrōder. Middle French explorerder. English explore Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English explorer From explore + -er.

1. One who explores something
2. A person who by means of travel (notably an expedition) searches out new information.

   “Though now extinct, the rachni once threatened every species in Citadel space. Over 2000 years ago, explorers foolishly opened a mass relay to a previously-unknown system and encountered something never seen before or since: a species of spacefaring insects guided by a hive-mind intelligence.”

3. Any of various hand tools, with sharp points, used in dentistry.
4. A visual representation of a file system etc. through which the user can navigate.

   “For example, Vista includes a document explorer that shows just the documents in a location without considering all of the other files that might appear there.”