castor-oil plant: Meaning and Definition of

cas'tor-oil' plant"

Pronunciation: (kas'tur-oil', kä'stur-), [key]
  1. a tall plant, Ricinus communis, of the spurge family, cultivated for its ornamental foliage and having poisonous seeds that are the source of castor oil. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.