1. (noun)sweetbrier, sweetbriar, brier, briar, eglantine, Rosa eglanteria Eurasianrose with prickly stems and fragrant leaves and bright pink flowers followed by scarlet hips
2. (noun)bullbrier, greenbrier, catbrier, horse brier, horse-brier, brier, briar, Smilax rotundifolia a very prickly woody vine of the eastern United States growing in tangled masses having toughround stems with shiny leathery leaves and small greenish flowers followed by clusters of inedible shiny black berries
Definitions of briar 
