Definition of bull brier in English English dictionary
Pseudo-China growing from New Jersey to the Gulf of Mexico, which has very large tuberous and farinaceous rootstocks, formerly used by the Indians for a sort of bread, and by the negroes as an ingredient in making beer; called also bamboo brier and China brier
a very prickly woody vine of the eastern United States growing in tangled masses having tough round stems with shiny leathery leaves and small greenish flowers followed by clusters of inedible shiny black berries