Noun briar has 4 senses
- sweetbrier, sweetbriar, brier, briar, eglantine, Rosa eglanteria - Eurasian rose with prickly stems and fragrant leaves and bright pink flowers followed by scarlet hips
--1 is a kind of rose
- 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 tough round stems with shiny leathery leaves and small greenish flowers followed by clusters of inedible shiny black berries
--2 is a kind of vine
--2 is a member of Smilax, genus Smilax
- tree heath, briar, brier, Erica arborea - evergreen treelike Mediterranean shrub having fragrant white flowers in large terminal panicles and hard woody roots used to make tobacco pipes
--3 is a kind of erica, true heath
--3 has parts: briarroot
- briar, briar pipe - a pipe made from the root (briarroot) of the tree heath
--4 is a kind of pipe, tobacco pipe
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