(1):
(n.) A court or tribunal for the examination and punishment of heretics, fully established by Pope Gregory IX. in 1235. Its operations were chiefly confined to Spain, Portugal, and their dependencies, and a part of Italy.
(2):
(v. t.) To make inquisistion concerning; to inquire into.
(3):
(n.) The finding of a jury, especially such a finding under a writ of inquiry.
(4):
(n.) Judicial inquiry; official examination; inquest.
(5):
(n.) The act of inquiring; inquiry; search; examination; inspection; investigation.