English edit

Etymology edit

un- +‎ back

Verb edit

unback (third-person singular simple present unbacks, present participle unbacking, simple past and past participle unbacked)

  1. (transitive, rare) To remove the back or backing from (something).
    • 1896, Ida Worden Wheeler, chapter 10, in Siegfried the Mystic[1], Boston: Arena Publishing Company, page 109:
      “When you go home,” resumed Josephine, “unback the miniature case and upon the surface opposite the painting you will find these words []
  2. (transitive, obsolete) To deprive (a horse) of its rider.
    • 1599, Henry Petowe, Philochasander and Elanira[2], London: Thomas Purfoot:
      Her horse againe this Princesse must vnbacke,