Noun bird louse has 1 sense
  1. bird louse, biting louse, louse - wingless insect with mouth parts adapted for biting; mostly parasitic on birds
    --1 is a kind of insect
    --1 is a member of Mallophaga, order Mallophaga
    --1 has particulars:
     chicken louse, shaft louse, Menopon palladum, Menopon gallinae
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