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castor oil
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2 ENTRIES FOUND:
  1. castor oil
  2. castor-oil plant

castor oil

noun

Definition of CASTOR OIL

: a pale viscous fatty oil from castor beans used especially as a cathartic and as a lubricant and plasticizer
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Origin of CASTOR OIL

probably from its former use as a substitute for castoreum in medicine
First Known Use: 1746

Rhymes with CASTOR OIL

baby oil, desert soil, drying oil, holy oil, linseed oil, mineral oil, olive oil, peanut oil, prairie soil, rapeseed oil, safflower oil, salad oil, soybean oil, supercoil, tick trefoil

castor oil

noun    (Medical Dictionary)

Medical Definition of CASTOR OIL

: a pale viscous fatty oil from castor beans used especially as a cathartic or lubricant

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