Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

cattle red louse

noun
variants: or cattle biting louse

Definition of cattle red louse

: the common red louse of the genus Trichodectes (T. bovis synonym Bovicola bovis) that infests domestic cattle and feeds chiefly on the hair

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More about cattle red louse

Share cattle red louse

Statistics for cattle red louse

Look-up Popularity

Comments on cattle red louse

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

Show Comments  Hide Comments 

WORD OF THE DAY

hamartia

Listen to the pronounciation of hamartia

a flaw that causes the downfall of a hero

Get Word of the Day daily email!

Test Your Vocabulary

A Green Quiz

  • shamrock
  • What is the best definition of green-eyed monster?
True or False

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

TAKE THE QUIZ
Dictionary Devil

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!

Words at Play

Ask the Editors

Word Games