1. 
   Rhamnaceous
   Rham·na'ceous adjective (Botany) Of or pertaining to a natural order of shrubs and trees ( Rhamnaceæ , or Rhamneæ ) of which the buckthorn ( Rhamnus ) is the type. It includes also the New Jersey tea, the supple-jack, and one...
   Found op http://www.encyclo.co.uk/webster/R/75
   
   
2. 
   rhamnaceous
   <botany> Of or pertaining to a natural order of shrubs and trees (Rhamnaceae, or Rhamneae) of which the buckthorn (Rhamnus) is the type. It includes also the new Jersey tea, the supple-jack, and one of the plants called lotus (Zizyphus). ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?rhamnaceous
   
   
3. 
   Rhamnaceous
   • (a.) Of or pertaining to a natural order of shrubs and trees (Rhamnaceae, or Rhamneae) of which the buckthorn (Rhamnus) is the type. It includes also the New Jersey tea, the supple-jack, and one of the plants called lotus (Zizyphus).
   Found op http://thinkexist.com/dictionary/meaning/rhamnaceous/
   
   

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