Pygidium (noun) Definition, Meaning & Examples

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noun, plural py·gid·i·a [pahy-jid-ee-uh]. /paɪˈdʒɪd i ə/. Zoology.
  1. any of various structures or regions at the caudal end of the body in certain invertebrates.
noun plural -ia (-ɪə)
  1. the terminal segment, division, or other structure in certain annelids, arthropods, and other invertebrates
Pygidium (noun) Definition, Meaning & Examples

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