Found 2 items, similar to Castor bean.
English → English (WordNet) Definition: castor bean castor bean n : the toxic seed of the castor-oil plant; source of castor oil
English → English (gcide) Definition: Castor bean Castor bean \Cas"tor bean`\ (Bot.) The bean or seed of the castor-oil plant (Ricinus communis, or Palma Christi.) [1913 Webster]