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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.

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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Word History and Origins

Origin of pill bug1

An Americanism dating back to 1835–45

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Example Sentences

It looks like some sort of pill-bug half an inch long, doesn't it?

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petrichor

[pet-ri-kawr]

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