Found 2 items, similar to castor oil.
English → English (WordNet) Definition: castor oil castor oil n : a purgative extracted from the seed of the castor plant; used in paint and varnish as well as medically
English → English (gcide) Definition: Castor oil 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]