Dictionary.com
definitions
  • synonyms

mustard oil

See more synonyms for mustard oil on Thesaurus.com
noun
  1. oil expressed from the seed of mustard, used chiefly in making soap.
Show More

Origin of mustard oil

First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for mustard oil

mustard oil

noun
  1. an oil that is obtained from mustard seeds and used in making soap
Show More
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012