The Collaborative International Dictionary of English v.0.48:

Explore \Ex*plore"\, v. t. [imp. & p. p. Explored; p. pr. &
   vb. n. Exploring.] [L. explorare to explore; ex out+plorare
   to cry out aloud,prob. orig., to cause to flow; perh. akin to
   E. flow: cf. F. explorer.]
   1. To seek for or after; to strive to attain by search; to
      look wisely and carefully for. [Obs.]
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            Explores the lost, the wandering sheep directs.
                                                  --Pope.
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   2. To search through or into; to penetrate or range over for
      discovery; to examine thoroughly; as, to explore new
      countries or seas; to explore the depths of science.
      "Hidden frauds [to] explore." --Dryden.
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