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burrknot

noun
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Definition of burrknot

: a rough excrescence often present on the trunk or roots of certain trees and characteristic of some varieties that was formerly thought to be a form of crown gall but is now believed to be nonpathogenic

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“Burrknot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/burrknot. Accessed 10 Aug. 2020.

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