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

laburnum \labur"num\, n. l. bot.
   a small leguminous tree cytisus laburnum, native of the
   alps. the plant is reputed to be poisonous, esp. the bark and
   seeds. it has handsome racemes of yellow blossoms.
   1913 webster

   note: scotch laburnum cytisus alpinus is similar, but has
         smooth leaves; purple laburnum is cytisus purpureus.
         1913 webster
see also:
cytisus laburnum cytisus alpinus cytisus purpureus 

[2] : WordNet (r) 2.0

laburnum
     n : flowering shrubs or trees having bright yellow flowers; all
         parts of the plant are poisonous syn: genus laburnum
see also:
genus laburnum 

Laburnum >> L Words
Laburnum, definition of term: Laburnum
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