Detector
Pronunciation : De*tect"or
Part of Speech : n.
Etymology : [L., a revealer.]
Definition : Defn: One who, or that which, detects; a detecter. Shak. A deathbed's detector of the heart. Young. Bank-note detector, a publication containing a description of genuine and counterfeit bank notes, designed to enable persons to discriminate between them. -- Detector l. See under Lock.
Source : Webster's Unabridged Dictionary, 1913