brierroot

noun

variants or briarroot

ˈ⸗ˌ⸗

: the root of various plants (such as Erica arborea of southern Europe or members of the genera Rhododendron and Smilax of the U.S.) used in the manufacture of tobacco pipes

especially : the burl of the brier used in the manufacture of briars

Word History

Etymology

briar entry 1, brier + root

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