Definitions for viburnumvaɪˈbɜr nəm
Random House Webster's College Dictionary
any shrub of the genus Viburnum, of the honeysuckle family, many having showy white flower clusters, as the snowball.
Origin of viburnum:
1725–35; < L: wayfaring tree (Viburnum lantana)
Viburnum, genus Viburnum(noun)
deciduous or evergreen shrubs or small trees: arrow-wood; wayfaring tree
any of many shrubs and trees, of the genus Viburnum, native to the Northern Hemisphere that have showy clusters of flowers
a genus of shrubs having opposite, petiolate leaves and cymose flowers, several species of which are cultivated as ornamental, as the laurestine and the guelder-rose
U.S. National Library of Medicine
A plant genus in the family CAPRIFOLIACEAE. The common name derives from its traditional use for menstrual cramps. It is a source of viburnine, valerianic acid, vibsanin, and ursolic acid. Note that true cranberry is VACCINIUM MACROCARPON.