Word.ws English Dictionary

backbore

backbore noun: the section between the throat and shank of the mouthpiece of a brass instrument.

Noun

backbore (plural backbores)

  1. The section between the throat and shank of the mouthpiece of a brass instrument.
    • More conical backbores give a richer tone, while more cylindrical ones give a brighter, more projected tone.

Verb

backbore (third-person singular simple present backbores, present participle backboring, simple past and past participle backbored)

  1. (transitive) To modify (a weapon's barrel) so as to increase the bore diameter.
  2. To bore from the backside of a workpiece by using a boring tool that passes through one or more through holes, deploys a cutting edge (or receives it by manual insertion from an operator), bores a feature on the far side, retracts the cutting edge (or has it removed), and then retreats back through the hole (toward the tool's origin).

Forms of backbore

Noun
pluralbackbores
Verb
third-person singular presentbackbores
present participlebackboring
past participlebackbored
pastbackbored

Origin of backbore

From back + bore.

Questions about backbore

What does backbore mean?
Backbore means the section between the throat and shank of the mouthpiece of a brass instrument.
What part of speech is backbore?
Backbore can be a noun or a verb.
What is the plural of backbore?
The plural of backbore is backbores.

Words near backbore in the dictionary

  1. backbone
  2. backboned
  3. backboneless
  4. backbonelessness
  5. backbones
  6. backbore
  7. backbored
  8. backbores
  9. backboring
  10. backbox
  11. backboxes

Source and license

Adapted from Wiktionary: backbore (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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