Wordnet 3.0
NOUN (1)
1. 
 any of various shrubs of the genus Deutzia having usually toothed opposite leaves and shredding bark and white or pink flowers in loose terminal clusters; 
The Collaborative International Dictionary of English v.0.48:
Deutzia \Deut"zi*a\, n. [NL. Named after Jan Deutz of Holland.]
   (Bot.)
   A genus of shrubs with pretty white flowers, much cultivated.
   Dev
WordNet (r) 3.0 (2006):
deutzia
    n 1: any of various shrubs of the genus Deutzia having usually
         toothed opposite leaves and shredding bark and white or
         pink flowers in loose terminal clusters