1

louse

play
noun \ˈlau̇s\

Definition of louse

  1. 1 plural liceplay \ˈlīs\ a :  any of various small wingless usually flattened insects (orders Anoplura and Mallophaga) parasitic (see parasite 2) on warm-blooded animalsb :  a small usually sluggish arthropod (such as abiting louse ) that lives on other animals or on plants and sucks their blood or juicesc :  any of several small arthropods (such as a book louse ) that are not parasitic

  2. 2 plural lousesplay \ˈlau̇-səz\ :  a contemptible person :  heel what a beast, what a cad, what a louse he had been — Walter Karig

Examples of louse in a sentence

  1. a problem with head lice

  2. Her ex-husband is a real louse.

Origin and Etymology of louse

Middle English lous, from Old English lūs; akin to Old High German lūs louse, Welsh llau lice


First Known Use: before 12th century

Other Invertebrates (Except Insects) Terms


2

louse

play
verb \ˈlau̇s, ˈlau̇z\

Definition of louse

loused

;

lousing

  1. transitive verb
  2. :  to remove lice from

Origin and Etymology of louse

see 1louse


First Known Use: 14th century

Other Insect Terms


LOUSE Defined for English Language Learners

1

louse

play
noun \ˈlau̇s\

Definition of louse for English Language Learners

  • : a type of small insect that lives on the bodies of people or animals

  • : a bad or cruel person


LOUSE Defined for Kids

louse

play
noun \ˈlau̇s\

Definition of louse for Students

plural

lice

\ˈlīs\
  1. 1 :  a small, wingless, and usually flat insect that lives on the bodies of warm-blooded animals

  2. 2 :  an insect or related arthropod that resembles a body louse and feeds on plant juices or decaying matter


Medical Dictionary

louse

play
noun \ˈlau̇s\

Medical Definition of louse

plural

lice

\ˈlīs\play
  1. :  any of the small wingless usually flattened insects that are parasitic on warm-blooded animals and constitute the orders Anoplura and Mallophaga



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