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wood louse

noun

Definition of wood louse

: a terrestrial isopod crustacean (suborder Oniscoidea) with a flattened elliptical body often capable of being rolled into a ball

— called also pill bug, sow bug

First Known Use of wood louse

1611, in the meaning defined above

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More Definitions for wood louse

wood louse

noun

English Language Learners Definition of wood louse

: a small, gray insect that lives under stones and in other dark, wet places

See the full definition for wood louse in the English Language Learners Dictionary

wood louse

noun

Kids Definition of wood louse

: a tiny flat gray animal that is a crustacean usually found living under stones or bark

More from Merriam-Webster on wood louse

Rhyming Dictionary: Words that rhyme with wood louse

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