Word.ws English Dictionary

counterbores

counterbores is the plural of counterbore.

Meaning of counterbore

Noun

counterbore (plural counterbores)

  1. A cylindrical recess, typically machined at the mouth of a hole to admit a screw (such as a cap screw) so that the screw sits flush with a surface.
  2. The cutter used to cut such a recess. (Also used, at less depth, for spotfacing.)
    • Meronyms: flute, pilot (the land at the tip, which rides the hole as a guide), shank

See all 3 meanings of counterbore

Questions about counterbores

What is counterbores the plural of?
Counterbores is the plural of counterbore.

Words near counterbores in the dictionary

  1. counterboarding
  2. counterbond
  3. counterbonds
  4. counterbore
  5. counterbored
  6. counterbores
  7. counterboring
  8. counterborings
  9. counterboy
  10. counterboycott
  11. counterboycotts

Source and license

Adapted from Wiktionary: counterbores (page history and authors); counterbore (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “counterbores.” Word.ws, https://word.ws/counterbores. Based on Wiktionary, CC BY-SA 4.0.