crown rust

noun

Definition of crown rust

: a leaf rust of oats and other grasses that is caused by a fungus (Puccinia coronata) and is characterized by rounded light-orange uredinia and buried telia

First Known Use of crown rust

circa 1899, in the meaning defined above

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The first known use of crown rust was circa 1899

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Dictionary Entries Near crown rust

crown-rump length

crown rust

crown saw

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Statistics for crown rust

Cite this Entry

“Crown rust.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crown%20rust. Accessed 8 Dec. 2021.

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