noun
Any of various tropical (Central and South) American vines of the genus Smilax, such as Smilax aspera, which have fragrant roots.
Dried roots of these plants, or a flavoring material extracted from these roots.
A beverage (soft drink) flavored with this root, such as root beer.
Any of several North American plants, of the genus Aralia, having umbels and small white flowers.
An American vine of species Nephroia diversifolia.