Webster’s Revised Unabridged Dictionary · 1913
Inquisitor
In·quis′i·tor, n. [L.: cf. F. inquisiteur. See Inquire.] 1. An inquisitive person; one fond of asking questions. [R.] "Inquisitors are tatlers." Feltham.
2. (Law) One whose official duty it is to examine and inquire, as coroners, sheriffs, etc. Mozley & W.
3. (R.C.Ch.) A member of the Court of Inquisition.