- 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