mouthpart 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.
any of various structures, organs, or appendages around the mouth in arthropods, modified for biting, piercing, sucking, chewing, grasping, etc.: usually used in pl.
mouthpart definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Any of the parts of the mouth of an insect or other arthropod, especially a part or an organ adapted to a specific way of feeding.
mouthpart - Science Definition
Either of the appendages occurring in pairs in insects and other arthropods that extend from the head and are used for feeding.