Source : Webster's Revised Unabridged Dictionary (1913)

Viburnum \Vi*bur"num\, n. [L., the wayfaring tree.] (Bot.)
   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.

Source : WordNet®

Viburnum
     n : deciduous or evergreen shrubs or small trees: arrow-wood;
         wayfaring tree [syn: {genus Viburnum}]