Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun castor_oil

1 sense of castor oil

Sense 1
castor oil -- (a purgative extracted from the seed of the castor-oil plant; used in paint and varnish as well as medically)
       => purgative, cathartic, physic, aperient -- (a purging medicine; stimulates evacuation of the bowels)