mouthpart

[mouth-pahrt]

noun

Usually mouthparts. the appendages surrounding or associated with the mouth of arthropods.

Origin of mouthpart

First recorded in 1790–1800; mouth + part
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for mouthpart

mouthpart

noun

any of the paired appendages in arthropods that surround the mouth and are specialized for feeding
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

mouthpart in Science

mouthpart

[mouthpärt′]

Any of the parts of the mouth of an insect or other arthropod, especially a part or organ used for a specific way of feeding.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.