pill bug

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noun

any of various small terrestrial isopods, especially of the genera Armadillidium and Oniscus, which can roll themselves up into a spherical shape.

Nearby words

  1. pilikia,
  2. piling,
  3. pilipino,
  4. pill,
  5. pill beetle,
  6. pill popper,
  7. pill pusher,
  8. pill-rolling,
  9. pillage,
  10. pillar

Origin of pill bug

An Americanism dating back to 1835–45

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pill bug



British Dictionary definitions for pill bug

pill bug

noun

any of various woodlice of the genera Armadillidium and Oniscus, capable of rolling up into a ball when disturbed
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