castor oil

2 definitions found

castor oil - Collaborative International Dictionary of English v.0.48 :

  Castor oil \Cas"tor oil\ (k[a^]s"t[~e]r oil`).
     A mild cathartic oil, expressed or extracted from the seeds
     of the Ricinus communis, or Palma Christi. When fresh the
     oil is inodorous and insipid.
     [1913 Webster]
  
     Castor-oil plant. Same as Palma Christi.
        [1913 Webster]

castor oil - WordNet (r) 2.1 (2005) :

  castor oil
      n 1: a purgative extracted from the seed of the castor-oil
           plant; used in paint and varnish as well as medically