DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   louse
       n 1: wingless usually flattened bloodsucking insect parasitic on
            warm-blooded animals [syn: louse, sucking louse]
       2: a person who has a nasty or unethical character undeserving
          of respect [syn: worm, louse, insect, dirt ball]
       3: any of several small insects especially aphids that feed by
          sucking the juices from plants [syn: plant louse, louse]
       4: wingless insect with mouth parts adapted for biting; mostly
          parasitic on birds [syn: bird louse, biting louse,
          louse]