metal detector: Meaning and Definition of

met'al detec"tor

Pronunciation: [key]
  1. an electronic device for detecting the presence of metal objects, as one used as a portable sweeping unit or one emplaced in an archway at an airport terminal to detect concealed weapons, explosives, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.