Definition of greenbrier
: any of a genus (Smilax) of woody or herbaceous vines of the lily family; especially : a prickly vine (S. rotundifolia) of the eastern U.S. with umbels of small greenish flowers
First Known Use of greenbrier
Seen and Heard
What made you want to look up greenbrier? Please tell us where you read or heard it (including the quote, if possible).