mealworm 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.
the wormlike larva of any of a genus (Tenebrio) of darkling beetles, which destroys flour, meal, etc.
mealworm definition by American Heritage Dictionary
The larva of various beetles of the genus Tenebrio that infest flour and other grain products and are often raised for bird feed.