Definition of "colonoscope" []

• A long flexible endoscope, often equipped with a device for obtaining tissue samples, that is used for visual examination of the colon. Also called coloscope. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The colonoscope is an endoscope, as instruments to examine the body's interior are known."
• "During a colonoscopy, a flexible tube called the colonoscope is used to view the entire inner lining of the colon and the rectum."
• "A gastroenterologist or surgeon inserts a long flexible tube called a colonoscope into your rectum and guides it into the colon."