Definition of brierroot in US English:

brierroot

noun

  • Wood from the nodules of the brier (Erica arborea), used especially for making tobacco pipes.

    • ‘The upper half is Sherlock Holmes with his hat, cloak, and pipe - though whether brierroot or clay can't be determined.’
    • ‘During the Civil War, soldiers carved pipes from brierroot, and chessmen from pine.’
    • ‘I remembered watching the ritual of tamping the weed into the bowl of a brierwood pipe.’
    • ‘When I entered his office he was smoking a brierwood pipe.’
    • ‘The familiar brierwood pipe was set between his teeth.’

Pronunciation

brierroot

/ˈbrī(ə)rˌro͞ot/