catbrier

n.
Any of several woody, usually prickly dioecious vines of the genus Smilax, having greenish unisexual flowers, heart-shaped leaves, and usually bluish to black berries. Also called greenbrier, smilax.

Note: click on a word meaning below to see its connections and related words.

The noun has one meaning:

Meaning #1: 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
  Synonyms: bullbrier, greenbrier, horsebrier, brier, briar, Smilax rotundifolia

---