noun

• (countable) A copy or reproduction.
  "To paraphrase the critic of the Times, if one may make the facsimile of a human being out of bronze, why not the facsimile of a Brillo carton out of plywood?"
• (uncountable) Reproduction in the exact form as the original.
  "Indeed his rendering is so excellent an example of mediæval learning and latinity that, even at the risk of sating the learned reader with too many antiquities, I have made up my mind to give it in fac-simile, together with an expanded version for the benefit of those who find the contractions troublesome."

verb

• (transitive) To send via a facsimile machine; to fax.
• (transitive) To make a copy of; to reproduce.