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pill bug
noun
- 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
- 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?
From Project Gutenberg
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