What is a. & vb. n. from Planish, v. t. Planishing rolls (Coining), rolls between which metal strips are passed while cold, to bring them to exactly the required thickness called?

planishing — a. & vb. n. from Planish, v. t. Planishing rolls (Coining), rolls between which metal strips are passed while cold, to bring them to exactly the required thickness. (Webster's 1913.)

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