The American Heritage® Dictionary of the English Language, 4th Edition
n. Any of a group of herpes viruses that attack and enlarge epithelial cells. Such viruses also cause a disease of infants characterized by circulatory dysfunction and microcephaly.
n. Any of several herpes viruses, of the genus Cytomegalovirus, that attack the salivary glands
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. any of a group of herpes viruses that enlarge epithelial cells and can cause birth defects; can affect humans with impaired immunological systems
Word Usage
"In 2002, UCSF neurosurgeon Charles Cobbs published a novel finding in a prominent cancer journal: nearly all of the two-dozen brain tumors he had analyzed were teeming with a common herpes virus called cytomegalovirus, or CMV."