From The Collaborative International Dictionary of English v.0.48: Platten \Plat"ten\, v. t. [See Plat, a.] (Glass Making) To flatten and make into sheets or plates; as, to platten cylinder glass. [1913 Webster]
Platten \Plat"ten\, v. t. [See Plat, a.] (Glass Making) To flatten and make into sheets or plates; as, to platten cylinder glass. [1913 Webster]