: a tall coarse white-flowered herb (Armoracia rusticana syn. A. lapathifolia) of the mustard family
: a condiment made from ground-up horseradish root
First Known Use of HORSERADISH
horseradish noun (Concise Encyclopedia)
Hardy perennial plant (Armoracia lapathifolia) of the mustard family, native to Mediterranean lands and grown throughout the temperate zones. Its hotly pungent, fleshy root is used as a condiment and is traditionally considered medicinal. In many cool, moist areas it has become a troublesome weed. The plant bears small white flowers, small oblong pods, and large, coarse, glossy-green basal leaves arising on long stems from the crown atop the large white root.
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