pill bug


  • WordNet 3.6
    • n pill bug small terrestrial isopod with a convex segmented body that can roll up into a ball
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Webster's Revised Unabridged Dictionary
    • Pill bug (Zoöl) any terrestrial isopod of the genus Armadillo, having the habit of rolling itself into a ball when disturbed. Called also pill wood louse.
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In news:

Rasberry crazy ants compete with a pill bug for a cliff bar in Texas.
A Pill To Kill Bed Bugs.