head louse

noun

Definition of head louse

  1. :  a sucking louse (Pediculus humanus capitis) that lives on the human scalp

First Known Use of head louse

1547


Medical Dictionary

head louse

noun

Medical Definition of head louse

  1. :  a sucking louse of the genus Pediculus (P. humanus capitis) that lives on the human scalp


Learn More about head louse


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

sad or melancholy

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • istock-refers-to-this-as-a-tumble-of-strawberries-which-sounded-pretty-nice-to-us
  • Which is a synonym of garner?
True or False

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

TAKE THE QUIZ
SCRABBLE® Sprint

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!