411 REFERENCE · Wiktionary
Rowley rag
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
From the names of Rowley Regis, Rowley Hills + en rag.
Noun
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en geology A hard basaltic rock found in the Rowley Hills, near Birmingham, formerly used in paving and construction. from 18th c.
en 2004 Robert E Schofield The Enlightened Joseph Priestley Pennsylvania State University 2004 162 Rowley-Rag appeared to be the same thing as basalt and toadstone resembled some species of lava.