[1] : The Collaborative International Dictionary of English v.0.48

rhus \rhus\, n. l., sumac, fr. gr. ???. bot.
   a genus of shrubs and small treets. see sumac.
   1913 webster
see also:
sumac 

[2] : WordNet (r) 2.0

rhus
     n : deciduous or evergreen shrubs and shrubby trees of temperate
         and subtropical north america, south africa, eastern asia
         and northeastern australia; usually limited to
         nonpoisonous sumacs see genus toxicodendron syn: genus
         rhus
see also:
genus rhus 

Rhus >> R Words
Rhus, definition of term: Rhus
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