Source : Webster's Revised Unabridged Dictionary (1913)

Counterseal \Coun`ter*seal"\ (koun`t?r-s?l"), v. t. [imp. & p.
   p. {Countersealed} (-s?ld"); p. pr. & vb. n.
   {Countersealing}.]
   To seal or ratify with another or others. --Shak.