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


WOOD LOUSE Defined for English Language Learners

wood louse

noun

Definition of wood louse for English Language Learners

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


WOOD LOUSE Defined for Kids

wood louse

noun

Definition of wood louse for Students

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

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