bor·er | \ˈbȯr-ər \

Definition of borer 

1 : a tool used for boring

2a : shipworm

b : an insect that bores in the woody parts of plants

Examples of borer in a Sentence

Recent Examples on the Web

But baseball’s recent abandonment of the wood had little to do with the borer infestation. Frank Fitzpatrick,, "Ashes of an industry: A Pennsylvania tradition is dying, one baseball bat at a time," 14 June 2018 And if any of those new plants happens to be an oak or Chinese pistachio, wrap its trunk with paper tree wrap to protect the thin bark from sunscald and invasion by borers. Neil Sperry, star-telegram, "Here’s your gardening to-do list for the second part of the summer," 11 July 2018 On his final venture into the mountains, Ötzi carried a small, well-worn (but well-maintained) kit of stone tools: a dagger, an end-scraper for working hides and wood, a borer, a sharp stone flake used for cutting plants, and a pair of arrowheads. Kiona N. Smith, Ars Technica, "Ötzi the Iceman spent his last days trying to repair his tools," 22 June 2018 Not long afterward, the first ash-borers appeared in the Michigan woods. Frank Fitzpatrick,, "Ashes of an industry: A Pennsylvania tradition is dying, one baseball bat at a time," 14 June 2018 There are some areas of the Northeast the borer hasn’t yet reached, like Vermont and Maine. Frank Fitzpatrick,, "Ashes of an industry: A Pennsylvania tradition is dying, one baseball bat at a time," 14 June 2018 To find out why, researchers took a closer to look at the black stem borer (pictured), an ambrosia beetle native to Asia that has become a tree-boring pest in North America. Science | AAAS, "Ambrosia beetles nurture their gardens of fungus with alcohol," 9 Apr. 2018 Watch for peach twig borer during bloom, checking for wilted leaf shoots and feeding damage at the base of flowers. Margaret Lauterbach, idahostatesman, "Cool, rainy spring prompts alert for fire blight on Valley trees, plants | Idaho Statesman," 26 Apr. 2018 The holes are not caused by borers, but instead by woodpeckers or sapsuckers. Neil Sperry, star-telegram, "Oak trees bring majesty to the landscape, but they do have their difficulties | Fort Worth Star-Telegram," 27 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'borer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of borer

14th century, in the meaning defined at sense 1

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bore meal





Statistics for borer

Last Updated

11 Sep 2018

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The first known use of borer was in the 14th century

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English Language Learners Definition of borer

: an insect that digs holes in the woody parts of plants

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evasion of direct action or statement

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