Castor oil

//ˈkɑː.stə ˌɔɪl// noun

Definitions

Noun
  1. 1
    The pale yellow vegetable oil extracted from the castor bean; used as a laxative and an industrial lubricant. countable, uncountable

    "Every six months, spoonfuls of castor oil were administered to combat constipation."

  2. 2
    a purgative extracted from the seed of the castor-oil plant; used in paint and varnish as well as medically wordnet

Etymology

From its medicinal use in succession to castor.

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