[kat-brahy-er] 
| any prickly vine of the genus Smilax, esp. S. rotundifolia, of eastern North America, growing in tangled masses. |
| cat·bri·er (kāt'brī'ər) 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. |
| green·bri·er (grēn'brī'ər) n. See catbrier. |
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