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Webster 1913 Edition

Adj.

Tending to fish out; searching out

[R.]

Carlyle.

expiscatory ‎(not comparable)

(archaic) Tending to fish out; searching.
- 1837 Thomas Carlyle, The Diamond Necklace, Fraser's Magazine
  Now, by innumerable confrontations and expiscatory questions, through entanglements, doublings and windings that fatigue eye and soul, this most involute of Lies is finally winded off....