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[haw-stel-uh m] /hɔˈstɛl əm/
noun, plural haustella
[haw-stel-uh] /hɔˈstɛl ə/ (Show IPA)
(in certain crustaceans and insects) an organ or part of the proboscis adapted for sucking blood or plant juices.
Origin of haustellum
1810-20; < New Latin, diminutive of Latin haustrum scoop on a water wheel, equivalent to haus-, variant stem of haurīre to scoop up, draw + -trum suffix of instrument; for formation, see castellum Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for haustellum


noun (pl) -la (-lə)
the tip of the proboscis of a housefly or similar insect, specialized for sucking food
Derived Forms
haustellate, adjective
Word Origin
C19: New Latin, diminutive of Latin haustrum device for drawing water, from haurīre to draw up; see exhaust
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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