Definition and Meanings for louse

·This dictionary definitions come from open dictionary GNU Collaborative International Dictionary of English.
·The meaning of a word in English varies according to its part of speech , for this reason the different meanings are ordered by their part of speech.
·It is a very easy to use dictionary , very well structured that will allow you to solve all your doubts on any word and you also will deepen the knowledge of the English language.


Louse is ranked 15,795 in the ranking of most used words in English

Part of Speech of louse

noun, transitive verb

Etymology of louse

oe. lous, as. l, pl. l; akin to d. luis, g. laus, ohg. l, icel. l, sw. lus, dan. luus; perh. so named because it is destructive, and akin to e. lose, loose

Meaning of louse


as noun

  • any one of numerous species of small, wingless, suctorial, parasitic insects belonging to a tribe (pediculina), now usually regarded as degraded hemiptera. to this group belong of the lice of man and other mammals; as, the head louse of man (pediculus capitis), the body louse (pediculus vestimenti), and the crab louse (phthirius pubis), and many others. see crab louse, dog louse, cattle louse, etc., under crab, dog, etc.
  • any one of numerous small mandibulate insects, mostly parasitic on birds, and feeding on the feathers. they are known as mallophaga, or bird lice, though some occur on the hair of mammals. they are usually regarded as degraded pseudoneuroptera. see mallophaga.
  • any one of the numerous species of aphids, or plant lice. see aphid.
  • any small crustacean parasitic on fishes. see branchiura, and ichthvophthira.

as transitive verb

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