ash borer

noun

Definition of ash borer

: any of various insect larvae that bore in the wood of ash trees especially : a larval clearwing (Podosesia syringae fraxini) of eastern and central North America

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History and Etymology for ash borer

ash entry 1

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Cite this Entry

“Ash borer.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/ash%20borer. Accessed 13 December 2019.

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