Definition of louse

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Louse (n.) 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 (P. vestimenti), and the crab louse (Phthirius pubis), and many others. See Crab louse, Dog louse, Cattle louse, etc., under Crab, Dog, etc..

Lern More About Louse

Pediculus :: Pediculus (n.) A genus of wingless parasitic Hemiptera, including the common lice of man. See Louse..
Jumper :: Jumper (n.) A sort of blouse worn by workmen over their ordinary dress to protect it.
Cheslip :: Cheslip (n.) The wood louse.
Puceron :: Puceron (n.) Any plant louse, or aphis..
Lice :: Lice (n.) pl. of Louse.
Grayback :: Grayback (n.) The body louse.
Blouse :: Blouse (n.) A light, loose over-garment, like a smock frock, worn especially by workingmen in France; also, a loose coat of any material, as the undress uniform coat of the United States army..
Nit :: Nit (n.) The egg of a louse or other small insect.
Louse :: Louse (n.) Any small crustacean parasitic on fishes. See Branchiura, and Ichthvophthira..
Morpion :: Morpion (n.) A louse.
Pricklouse :: Pricklouse (n.) A tailor; -- so called in contempt.
Louse :: Louse (n.) 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..
Louse :: Louse (n.) 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 (P. vestimenti), and the crab louse (Phthirius pubis), and many others. See Crab louse, Dog louse, Cattle louse, etc., under Crab, Dog, etc..
Bark Louse :: Bark louse () An insect of the family Coccidae, which infests the bark of trees and vines..
Mallophaga :: Mallophaga (n. pl.) An extensive group of insects which are parasitic on birds and mammals, and feed on the feathers and hair; -- called also bird lice. See Bird louse, under Bird..
Flea-louse :: Flea-louse (n.) A jumping plant louse of the family Psyllidae, of many species. That of the pear tree is Psylla pyri..
Cockscomb :: Cockscomb (n.) A plant (Celosia cristata), of many varieties, cultivated for its broad, fantastic spikes of brilliant flowers; -- sometimes called garden cockscomb. Also the Pedicularis, or lousewort, the Rhinanthus Crista-galli, and the Onobrychis Crista-galli..
Argulus :: Argulus (n.) A genus of copepod Crustacea, parasitic of fishes; a fish louse. See Branchiura..
Laemodipoda :: Laemodipoda (n. pl.) A division of amphipod Crustacea, in which the abdomen is small or rudimentary and the legs are often reduced to five pairs. The whale louse, or Cyamus, and Caprella are examples..
Blight :: Blight (n.) A downy species of aphis, or plant louse, destructive to fruit trees, infesting both the roots and branches; -- also applied to several other injurious insects..
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