- The castor-oil plant.
- The poisonous seed of castor-oil plant, from where castor-oil is gotten.
- The seed of this castor-oil plant, Ricinus communis; found in the production of castor-oil and of the poison ricin.
- See bean.
- the toxic seed associated with castor-oil plant; supply of castor oil
- The bean or seed of this castor-oil plant (Ricinus communis, or Palma Christi.)
Hypernym for "castor bean"
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