royal walnut

noun

Definition of royal walnut

1 : english walnut
2 : a hybrid between two black walnuts (Juglans nigra and J. californica)

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First Known Use of royal walnut

1620, in the meaning defined at sense 1

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The first known use of royal walnut was in 1620

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Cite this Entry

“Royal walnut.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/royal%20walnut. Accessed 19 Jan. 2021.

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