The Collaborative International Dictionary of English v.0.48:

Probe \Probe\, v. t. [imp. & p. p. Probed; p. pr. & vb. n.
   Probing.] [L. probare to try, examine. See Prove.]
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   1. To examine, as a wound, an ulcer, or some cavity of the
      body, with a probe.
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   2. Fig.: to search to the bottom; to scrutinize or examine
      thoroughly. --Dryden.
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            The growing disposition to probe the legality of all
            acts, of the crown.                   --Hallam.
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