borer

[ bawr-er, bohr- ]
/ ˈbɔr ər, ˈboʊr- /

noun

a person or thing that bores or pierces.
Machinery. a tool used for boring; auger.
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.
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. 2020

Example sentences from the Web for borer

British Dictionary definitions for borer

borer
/ (ˈbɔːrə) /

noun

a machine or hand tool for boring holes
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
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