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

Keep scrolling for more

Learn More about wood louse

Statistics for wood louse

Look-up Popularity

Time Traveler for wood louse

The first known use of wood louse was in 1611

See more words from the same year

Keep scrolling for more

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

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

Comments on wood louse

What made you want to look up wood louse? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

concealment of treason or felony

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!