wingless usually flattened bloodsucking insect parasitic on warm-blooded animals
source: WordNet 3.0
a person who has a nasty or unethical character undeserving of respect
source: WordNet 3.0
any of several small insects especially aphids that feed by sucking the juices from plants
source: WordNet 3.0
wingless insect with mouth parts adapted for biting; mostly parasitic on birds
source: WordNet 3.0
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.
