Definition of bay oil
1 : a yellow aromatic antiseptic essential oil obtained from the leaves of the bay-rum tree and used in perfumes and especially in bay rum —called also myrcia oil
2 : a light-yellow essential oil obtained from the leaves of the California laurel —called also California bay oil
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of bay oil
Seen and Heard
What made you want to look up bay oil? Please tell us where you read or heard it (including the quote, if possible).