any prickly shrub belonging to the genus Rubus, of the rose family.

British . the common blackberry.

any rough, prickly shrub, as the dog rose.

British . to look for and gather wild blackberries; pick blackberries from the vine.

noun

brier , burr , catch weed , cleaver , furze , goose grass , gorse , hedge , nettle , prick , prickly shrub , shrub , spray , thistle , thistle sage , thorn , bush , rough , sage