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mouthpart

[mouth-pahrt] /ˈmaʊθˌpɑrt/
noun
1.
Usually, mouthparts. the appendages surrounding or associated with the mouth of arthropods.
Origin
1790-1800
1790-1800; mouth + part
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for mouth-part

mouthpart

/ˈmaʊθˌpɑːt/
noun
1.
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
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mouth-part in Science
mouthpart
  (mouth'pärt')   
Either of the appendages occurring in pairs in insects and other arthropods that extend from the head and are used for feeding.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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10
11
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