Source : Webster's Revised Unabridged Dictionary (1913)

Counterchanged \Coun`ter*changed"\ (-ch?njd"), a.
   1. Exchanged.

   2. (Her.) Having the tinctures exchanged mutually; thus, if
      the field is divided palewise, or and azure, and cross is
      borne counterchanged, that part of the cross which comes
      on the azure side will be or, and that on the or side will
      be azure.

Counterchange \Coun`ter*change"\ (koun`t[~e]r*ch[=a]nj), v. t.
   [imp. & p. p. {Counterchanged} (-ch?njd"); p. pr. & vb. n.
   {Counterchanging}.]
   1. To give and receive; to cause to change places; to
      exchange.

   2. To checker; to diversify, as in heraldic counterchanging.
      See {Counterchaged}, a., 2.

            Witch-elms, that counterchange the floor Of this
            flat lawn with dusk and bright.       --Tennyson.