pygidium

play
noun py·gid·i·um \pī-ˈji-dē-əm\

Definition of pygidium

plural

-gidia

\-ˈji-dē-ə\
  1. :  a caudal structure or the terminal body region of various invertebrates

pygidial

play \-dē-əl\ adjective

Origin and Etymology of pygidium

New Latin, from Greek pygidion, diminutive of pygē rump


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