Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A person, device, or program that performs logical or mathematical proofs

from the GNU version of the Collaborative International Dictionary of English

  • n. One who, or that which, proves.

from The Century Dictionary and Cyclopedia

  • n. One who or that which proves or tries.
  • n. A skilled workman employed to strike off proofs from engraved plates.
  • n. In homeopathic medicine, one who submits himself to experimentation in order to determine the therapeutic indications for a drug. See prove, v. t., 7.
  • n. In old English law, one who gives state's evidence; an approver or probator.

Etymologies

to prove + -er (Wiktionary)

Examples

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  • "2. A skilled workman employed to strike off proofs from engraved plates." --Cent. Dict.

    April 22, 2011