Horse-rad·ish n. Bot. A plant of the genus Nasturtium (Nasturtium Armoracia), allied to scurvy grass, having a root of a pungent taste, much used, when grated, as a condiment and in medicine.
Horse-radish tree. Bot. See Moringa.
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horseradish
n 1: the root of the horseradish plant; it is grated or ground
and used for seasoning [syn: horseradish root]
2: coarse Eurasian plant cultivated for its thick white pungent
root [syn: horse radish, red cole, Armoracia
rusticana]
3: grated horseradish root