polissoir

nounB2

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Danh từ

noun

Plural noun:

polissoirs

1.
A groove found carved into rock, once used to polish stone axes.
2.
An implement or instrument for polishing or grinding.
3.
A tool consisting of a flat wooden block with a long iron handle, used for flattening out split cylinders of blown glass.

Nguồn gốc từ

Borrowed from French polissoir.