camstone

noun

cam·​stone

ˈkämzˌtōn,

-mˌst-

variants or camstane

-ān

plural -s

1

Scottish : a limestone containing much clay

2

Scottish : pipe clay used to whiten hearths or doorsteps

Word History

Etymology

Scots cam pipeclay (from Middle English calm limestone) + English stone or Scots stane, variant of England stone

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