noun.
An endoscope that is inserted through the mouth and used for examining the interior of the stomach.
The Century Dictionary and Cyclopedia
noun.
A hollow tube provided with reflecting mirrors and an electric light, which is passed through the esophagus into the stomach in order to enable the operator to inspect the interior of that organ.
the GNU version of the Collaborative International Dictionary of English
noun.
An instrument for viewing or examining the interior of the stomach.
noun.
a form of endoscope used to view the inside of the stomach
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a type of endoscope for visually examining the stomach
Word Usage
"The tool is called a gastroscope and because of this, patients may have been exposed to blood-borne viruses, including Hepatitis B, Hepatitis C and HIV."