castor oil

1. 1.

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

   Broaderpurgative

Questions about castor oil

What does castor oil mean?

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

Is castor oil a common word?

castor oil is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.