Rebore

noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The process of modifying the bore of an engine.

    "However, any increase in capacity is useful and, if an engine is worn and needs a rebore, it's worth considering boring to a near maximum size rather than simply having it bored to the next oversize."

Verb
  1. 1
    To bore through an existing hole, generally to correct its shape, or to enlarge. transitive

    "If you want to keep using that rifle, you'll have to rebore the barrel."

  2. 2
    simple past and past participle of rebear, generally used in the context of Christianity. form-of, participle, past, rare, transitive

    "And on that day the Lord rebore me and I was reborn."

Synonyms

All synonyms
reboring

Example

More examples

"If you want to keep using that rifle, you'll have to rebore the barrel."

Etymology

From re- + bore.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.