D defs.my
Entry 1 sense Webster, 1913

Counterprove

/(koun`t?r-pr??v")/ · Coun·ter·prove · IPA
01 v. t. To take a counter proof of, or a copy in reverse, by taking an impression directly from the face of an original. See Counter proof, under …
imp. & p. p. Counterproved; p. pr. & vb. n. Counterproving
  1. 1.
    To take a counter proof of, or a copy in reverse, by taking an impression directly from the face of an original. See Counter proof, under Counter. See: Counter