Castor bean \Cas"tor bean`\ (Bot.) The bean or seed of the castor-oil plant (Ricinus communis, or Palma Christi.) [1913 Webster]
Source: The Collaborative International Dictionary of English v.0.48
castor bean
Source: WordNet (r) 2.0
Castor bean \Cas"tor bean`\ (Bot.) The bean or seed of the castor-oil plant (Ricinus communis, or Palma Christi.)
Source: Webster's Revised Unabridged Dictionary (1913)