Dictionary.net

• A South African plant (Prionium Palmita) of the Rush family, having long serrated leaves. The stems have been used for making brushes.

2010 - New Age Dictionary Database
By Oddity Software

• A South African plant (Prionium Palmita) of the Rush family, having long serrated leaves. The stems have been used for making brushes.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.