from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A tool used for drilling.
  • n. An insect or insect larva, such as the corn borer, that bores into the woody parts of plants.
  • n. Any of various mollusks that bore into soft rock or wood.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A person who bores, who drills.
  • n. A tool used for drilling.
  • n. An insect or insect larva that bores into wood.
  • n. One of the many types of mollusc that bore into soft rock.
  • n. The hagfish (Myxine).

from the GNU version of the Collaborative International Dictionary of English

  • n. One that bores; an instrument for boring.
  • n.
  • n. A marine, bivalve mollusk, of the genus Teredo and allies, which burrows in wood. See Teredo.
  • n. Any bivalve mollusk (Saxicava, Lithodomus, etc.) which bores into limestone and similar substances.
  • n. One of the larvæ of many species of insects, which penetrate trees, as the apple, peach, pine, etc. See Apple borer, under Apple.
  • n. The hagfish (Myxine).

from The Century Dictionary and Cyclopedia

  • n. One who bores or pierces.
  • n. A tool or instrument used for boring; an auger; specifically, in Great Britain, a drill, an implement used in boring holes in rock.
  • n. A name common to many minute coleopterous insects of the group Xylophaga, whose larvæ eat their way into old wood, forming at the bottom of the holes a little cocoon, whence they emerge as small beetles.
  • n. Some other insect which bores, either in the larval or adult state.
  • n. A local English name of the glutinous hag, Myxine glutinosa. See cut under hag.
  • n. A bivalve mollusk which bores into wood or stone, especially one of the family Pholadidœ.
  • n. In entomology, the terebra or ovipositor when it is used for boring, as in many beetles, flies, etc.
  • n. A marine snail, as Urosalpinx cinerca: so named because of its habit of boring through the shells of oysters and other mollusks.
  • n. The larva of the American buprestid beetle, Chrysobothris femorata (which see, with cut); the flat-headed apple-tree borer.
  • n. The larva of a crambid moth, Diatræa saccharalis, which bores in sugar-cane in the West Indies and the southern United States, where it is also known as the larger corn-stalk borer.
  • n. A scolytid beetle, Xyleborus perforans.
  • n. The larva of the sugarcane weevil, a calandrid beetle, Sphenophorus obscurus, common in the islands of the Pacific.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a drill for penetrating rock
  • n. any of various insects or larvae or mollusks that bore into wood


Sorry, no etymologies found.


  • The Watchdog says the word "ash borer" reminds him of his flea problem. Front Page

  • The borer is the despair of the land-owner; he works underground; no

    Sons of the Soil

  • Unfortunately, the Emerald ash borer, which is attacking ash trees across the country, has been reported as near as the southwest corner of Wisconsin, right across the border from Dubuque, Iowa. - News Articles

  • It's likely that the Emerald ash borer, which is a beetle from Asia, could create an infestation. - Top Stories News

  • Another example was reported from a manufacturer in the South, where the pieces of lumber which had strips of bark on one side were seriously damaged by the same kind of borer, the eggs having been deposited in the logs before sawing or in the bark after the lumber was piled.

    Seasoning of Wood

  • And I don't know why "borer" isn't a better name for it.

    The Doers

  • They had great thick chisels and heavy wooden mallets in their hands, and there was a big bit, or "borer," as the little boy called it, lying on the ground between them.

    The Doers

  • The Plan A drill, mainly used for creating ventilation shafts in underground mines, is known as a raise borer, meaning it drills a pilot hole first before using a reamer to widen the opening from the far end. - Home Page

  • Until insecticide-producing corn plants arrived, Midwest farmers typically tried to keep pests like the corn borer and the rootworm in check by changing what they grew in a field each year, often rotating between corn and soybeans.

    Monsanto Corn Plant Losing Bug Resistance

  • The emerald ash borer was first discovered in the USA in 2002 in Michigan, according to entomologist Leah Bauer of the USDA Forest Service.

    Scientists try wasps to save ash trees


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