Definition of "murtherer"

murtherer

noun
plural murtherers
1. (obsolete) A murderer.
  Quotations
  A Murtherer, a Revolter, and a Robber.
  1671, John Milton, “Samson Agonistes, […].”, in Paradise Regain’d. A Poem. In IV Books. To which is Added, Samson Agonistes, London: […] J. M[acock] for John Starkey […], page 71