• synonyms


[bawr-er, bohr-]
See more synonyms for borer on Thesaurus.com
  1. a person or thing that bores or pierces.
  2. Machinery. a tool used for boring; auger.
  3. Zoology.
    1. any of several insects that bore into trees, fruits, etc., especially a beetle that bores into the woody part of plants.
    2. any of various mollusks, worms, etc., that bore into wood, stone, coral, or shells.
  4. a marsipobranch fish, as a hagfish, that bores into other fishes to feed on their flesh.
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Origin of borer

Middle English word dating back to 1275–1325; see origin at bore2, -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for borer

Historical Examples

  • 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.

  • Without a word her father stepped out of the borer and looked at her.

British Dictionary definitions for borer


  1. a machine or hand tool for boring holes
  2. any of various insects, insect larvae, molluscs, or crustaceans that bore into rock or plant material, esp woodSee also woodborer, corn borer, marine borer, rock borer
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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