Search Result for "hepadnavirus": 
Wordnet 3.0

NOUN (1)

1. a group of animal DNA viruses including viruses of ducks and woodchucks and squirrels and others as well as the virus causing hepatitis B in humans; 



WordNet (r) 3.0 (2006):

hepadnavirus
    n 1: a group of animal DNA viruses including viruses of ducks
         and woodchucks and squirrels and others as well as the
         virus causing hepatitis B in humans