Brier; Briar

Part of speech: noun (n.)

1. A plant with a slender woody stem bearing stout prickles; especially, species of Rosa, Rubus, and Smilax.

2. Fig.: Anything sharp or unpleasant to the feelings. The thorns and briers of reproof. Cowper. Brier root, the root of the southern Smilax laurifolia and S. Walleri; -- used for tobacco pipes. -- Cat brier, Green brier, several species of Smilax (S. rotundifolia, etc.) -- Sweet brier (Rosa rubiginosa). See Sweetbrier. -- Yellow brier, the Rosa Eglantina.