Expiscate \Ex*pis"cate\, v. t. [L. expiscatus, p. p. of
   expiscari to fish out; ex out+piscari to fish, piscis fish.]
   To fish out; to find out by skill or laborious investigation;
   to search out. "To expiscate principles." [R.] --Nichol.
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         Dr. Burton has with much ingenuity endeavored to
         expiscate the truth which may be involved in them. --W.
                                                  L. Alexander.
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