pill bug

1. 1.

   small terrestrial isopod with a convex segmented body that can roll up into a ball

   Broaderwoodlouse

   Part ofArmadillidium

Questions about pill bug

What does pill bug mean?

pill bug means "small terrestrial isopod with a convex segmented body that can roll up into a ball".

Is pill bug a common word?

pill bug is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.