pill bug


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

Origin of pill bug

1
An Americanism dating back to 1835–45

Words Nearby pill bug

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How to use pill bug in a sentence

British Dictionary definitions for pill bug

pill bug

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

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