1. Plural of catbriar; thorny climbing or trailing vines of the genus Smilax, native to North America, bearing small greenish flowers and dark berries.
Usage: Chiefly botanical or regional (southeastern United States); Also called greenbrier or bullbrier

Examples

• The catbriars grew thick along the forest edge, their thorny stems making passage difficult.
• Hikers had to push through dense catbriars to reach the trail.
• The catbriars produced small black berries that birds fed on in autumn.
• Local gardeners often struggle to remove catbriars from their property because of their extensive root systems.
• In the swamp, catbriars intertwined with other vegetation created an impenetrable thicket.