pygidium

[ pahy-jid-ee-uhm ]
/ paɪˈdʒɪd i əm /

noun, plural py·gid·i·a [pahy-jid-ee-uh]. /paɪˈdʒɪd i ə/. Zoology.

any of various structures or regions at the caudal end of the body in certain invertebrates.

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Origin of pygidium

1840–50; <New Latin <Greek pȳg() rump + -idion diminutive suffix

OTHER WORDS FROM pygidium

py·gid·i·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for pygidium

British Dictionary definitions for pygidium

pygidium
/ (paɪˈdʒɪdɪəm, -ˈɡɪd-) /

noun plural -ia (-ɪə)

the terminal segment, division, or other structure in certain annelids, arthropods, and other invertebrates

Derived forms of pygidium

pygidial, adjective

Word Origin for pygidium

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