castor bean

Definition: Meaning of, castor bean in English to English dictionary.

Pronunciation: / ˈkɑːstə biːn /

  • noun
  • synonym
  • antonym
Word Forms:
Singular Plural
castor bean castor beans
  1. the toxic seed of the castor-oil plant; source of castor oil
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castor bean used in phrases

  • castor bean plant (noun)
    1. large shrub of tropical Africa and Asia having large palmate leaves and spiny capsules containing seeds that are the source of castor oil and ricin; widely naturalized throughout the tropics
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