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pygidium

[pahy-jid-ee-uh m] /paɪˈdʒɪd i əm/
noun, plural pygidia
[pahy-jid-ee-uh] /paɪˈdʒɪd i ə/ (Show IPA).
Zoology
1.
any of various structures or regions at the caudal end of the body in certain invertebrates.
Origin
1840-1850
1840-50; < Neo-Latin < Greek pȳg() rump + -idion diminutive suffix
Related forms
pygidial, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for pygidium
  • Terminal abdominal segment with fringe of long coarse hair bordering pygidium.
British Dictionary definitions for pygidium

pygidium

/paɪˈdʒɪdɪəm; -ˈɡɪd-/
noun (pl) -ia (-ɪə)
1.
the terminal segment, division, or other structure in certain annelids, arthropods, and other invertebrates
Derived Forms
pygidial, adjective
Word Origin
C19: from New Latin, from Greek pugē rump
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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Word Value for pygidium

17
20
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