notum definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
noun pl. nota
the back or dorsal portion of an insect segment
Origin: Modern Latin ; from Classical Greek nōton, the back
notum definition by American Heritage Dictionary
noun pl. no·ta
The dorsal part of the thoracic segment of an insect.
Origin: New Latin nōtum, from Greek nōton, back.