1
: a tool used for boring
2
a
b
: an insect that bores in the woody parts of plants

Examples of borer in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Plus, starting new edible crops in July also avoids some pests, such as squash vine borers, which may have moved through their life cycle and won’t affect your baby plants. Arricca Elin Sansone, Southern Living, 19 July 2026 Boring Insects The stalk borer is a purple and cream-striped caterpillar that can attack tomato plants and cause wilting and death of the plant. Mary Marlowe Leverette, The Spruce, 17 June 2026 The extracts and oils are derived commercially from citrus peels—limonene, pinene, and terpinene—and repel carpenter ants, cowpea weevils, lesser grain borers, German cockroaches, and other insects. Leanne Potts, Better Homes & Gardens, 11 June 2026 The borers, currently being built in Germany, are due in New York in the first quarter of 2027. Evan Simko-Bednarski, New York Daily News, 8 June 2026 See All Example Sentences for borer

Word History

First Known Use

14th century, in the meaning defined at sense 1

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

Browse Nearby Words

Cite this Entry

“Borer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/borer. Accessed 5 Aug. 2026.

Kids Definition

borer

noun
1
: one that bores
especially : a tool used for boring
2
a
b
: an insect that bores in the woody parts of plants
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!