Pronunciation: (mok'su), [key]
1. a flammable substance or material obtained from the leaves of certain Chinese and Japanese wormwood plants, esp. Artemisia moxa.
2. this substance or a similar one of cotton, wool, or the like, placed on the skin usually in the form of a cone or cylinder and ignited for use as a counterirritant.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.