n.
A device that senses the presence of metal, especially:
- A hand-held unit used in searching an area for coins or other metal objects.
- A gatelike structure through which a person passes, used in detecting concealed weapons such as guns and knives.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
