sow bug

(so̵u)

any of several small terrestrial isopods (esp. genus Oniscus) living in damp places, as under rocks

See sow bug in American Heritage Dictionary 4

noun In both senses also called slater, wood louse; also called regionally doodlebug.
  1. Any of various small terrestrial isopod crustaceans, chiefly of the genera Oniscus and Porcellio, commonly found under logs or stones and having an oval, segmented body.
  2. A pill bug. See Usage Note at pill bug.

Origin:

Origin: From its piglike shape

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