polissoir

noun

po·​lis·​soir

ˌpōlēˈswär

plural -s

: a tool consisting of a flat wooden block with a long iron or steel handle and used in glass manufacturing for flattening out split cylinders of blown glass : an implement used for polishing or grinding

Word History

Etymology

French, polishing implement, from Middle French, from poliss-, stem of polir to polish

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