The Collaborative International Dictionary of English v.0.48:

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 plants, as the laurestine and the guelder-rose.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Viburnum
    n 1: deciduous or evergreen shrubs or small trees: arrow-wood;
         wayfaring tree [syn: Viburnum, genus Viburnum]

U.S. Gazetteer Places (2000):

Viburnum, MO -- U.S. city in Missouri
   Population (2000):    825
   Housing Units (2000): 325
   Land area (2000):     1.722485 sq. miles (4.461215 sq. km)
   Water area (2000):    0.007455 sq. miles (0.019308 sq. km)
   Total area (2000):    1.729940 sq. miles (4.480523 sq. km)
   FIPS code:            76012
   Located within:       Missouri (MO), FIPS 29
   Location:             37.714668 N, 91.127914 W
   ZIP Codes (1990):     65566
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Viburnum, MO
    Viburnum