Noun castor bean plant has 1 sense
  1. castor-oil plant, castor bean plant, palma christi, palma christ, Ricinus communis - large shrub of tropical Africa and Asia having large palmate leaves and spiny capsules containing seeds that are the source of castor oil and ricin; widely naturalized throughout the tropics
    --1 is a kind of shrub, bush
    --1 is a member of Ricinus, genus Ricinus
    --1 has parts: castor bean
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