Search Result for "echovirus": 
Wordnet 3.0

NOUN (1)

1. any of a group of viruses associated with various diseases including viral meningitis and mild respiratory disorders and diarrhea in newborn infants; 



WordNet (r) 3.0 (2006):

echovirus
    n 1: any of a group of viruses associated with various diseases
         including viral meningitis and mild respiratory disorders
         and diarrhea in newborn infants