polissoir
Po`lis`soir", n. [F.] 1. A polishing or grinding implement or instrument. 2. (Glass Making) A tool consisting of a flat wooden block with a long iron handle, used for flattening out split cylinders of blown glass.
Po`lis`soir", n. [F.] 1. A polishing or grinding implement or instrument. 2. (Glass Making) A tool consisting of a flat wooden block with a long iron handle, used for flattening out split cylinders of blown glass.