wingless usually flattened bloodsucking insect parasitic on warm-blooded animals
any of several small insects especially aphids that feed by sucking the juices from plants
wingless insect with mouth parts adapted for biting; mostly parasitic on birds
A small parasitic wingless insect of the order Psocodea.
To remove lice from.
The word "louse" comes from Middle English and Old English, tracing its roots back to the Proto-Indo-European base *lewH-. Its original meaning was simply a parasitic insect that infests hair or fur.