Rowley rag

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English

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Etymology

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From the names of Rowley Regis, Rowley Hills + rag.

Noun

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Rowley rag (uncountable)

  1. (geology) A hard basaltic rock found in the Rowley Hills, near Birmingham, formerly used in paving and construction. [from 18th c.]
    • 2004, Robert E Schofield, The Enlightened Joseph Priestley, Pennsylvania State University, published 2004, page 162:
      Rowley-Rag appeared to be the same thing as basalt and toadstone resembled some species of lava.