\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.
      Dr.Burton has with much ingenuity endeavord to
      expiscate the truth which may be involved in them. --W.
                                               L. Alexander.