backbore

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English[edit]

Etymology[edit]

back +‎ bore

Noun[edit]

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[edit]

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

  1. (firearms, transitive) To modify (a weapon's barrel) so as to increase the bore diameter.
Related terms[edit]