Source : Webster's Revised Unabridged Dictionary (1913)

Podura \Po*du"ra\, n.; pl. L. {Podur[ae]}, E. {Poduras}. [NL.;
   Gr. poy`s, podo`s, foot + ? tail.]
   Any small leaping thysanurous insect of the genus {Podura}
   and related genera; a springtail.

   {Podura scale} (Zo["o]l.), one of the minute scales with
      which the body of a podura is covered. They are used as
      test objects for the microscope.