- a person or thing that bores or pierces.
- Machinery. a tool used for boring; auger.
- any of several insects that bore into trees, fruits, etc., especially a beetle that bores into the woody part of plants.
- any of various mollusks, worms, etc., that bore into wood, stone, coral, or shells.
- a marsipobranch fish, as a hagfish, that bores into other fishes to feed on their flesh.
Origin of borer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for borer
The city of Philadelphia has suffered grievously from this borer.Our Common Insects
Alpheus Spring Packard
The Borer has been the great enemy of the peach-tree, since about the close of the last century.Soil Culture
J. H. Walden
As the borer was located the intervals were decreased to fifteen feet.
I have an idea that he uses a submarine to transport his borer from point to point.
"Will you enter that borer, or must I—" He broke off with an expressive shrug.
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012