Noun louse has 4 senses
  1. louse, sucking louse - wingless usually flattened blood-sucking insect parasitic on warm-blooded animals
    --1 is a kind of insect
    --1 is a member of Anoplura, order Anoplura
    --1 has particulars:
     common louse, Pediculus humanus; head louse, Pediculus capitis; body louse, cootie, Pediculus corporis; crab louse, pubic louse, crab, Phthirius pubis
  2. worm, louse, insect, dirt ball - a person who has a nasty or unethical character undeserving of respect
    --2 is a kind of unpleasant person, disagreeable person
  3. plant louse, louse - any of several small insects especially aphids that feed by sucking the juices from plants
    --3 is a kind of homopterous insect, homopteran
    --3 has particulars:
     aphid; adelgid; grape louse, grape phylloxera, Phylloxera vitifoleae; jumping plant louse, psylla, psyllid; oak blight
  4. bird louse, biting louse, louse - wingless insect with mouth parts adapted for biting; mostly parasitic on birds
    --4 is a kind of insect
    --4 is a member of Mallophaga, order Mallophaga
    --4 has particulars:
     chicken louse, shaft louse, Menopon palladum, Menopon gallinae
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