Pronunciation: (hôrs'rad"ish), [key]
1. a cultivated plant, Armoracia rusticana, of the mustard family, having small, white flowers.
2. the pungent root of this plant, ground and used as a condiment and in medicine.
3. the condiment itself, sometimes moistened with vinegar or mixed with ground beets.
of or containing ground horseradish as a flavoring: brisket of beef with horseradish sauce.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.