horseradish

noun

horse·​rad·​ish ˈhȯrs-ˌra-dish 

-ˌre-

1

: a tall coarse white-flowered herb (Armoracia rusticana synonym Cochlearia armoracia) of the mustard family

2

: a condiment made from ground-up horseradish root

Examples of horseradish in a Sentence

Recent Examples on the Web

Whisk in the horseradish, mustard, salt and pepper to taste and continue whisking until the mousse is slightly firm. —Peter Burke, FOXNews.com, 16 Dec. 2025

Dinners include au jus and creamy horseradish, house salad, mushrooms, mashed potatoes and corn. —Elaine Rewolinski, jsonline.com, 11 Dec. 2025

The snapper is topped with a colorful mix of red bell peppers and onions, then drizzled with a tangy balsamic, horseradish, and garlic sauce that gives the dish a bold, flavorful finish. —Linda Gassenheimer, Boston Herald, 10 Dec. 2025

Learn the essentials of planting, caring for and harvesting horseradish and parsnips, plus creative ways to use their bold flavors and health benefits in cooking. —Debra Skodack, Kansas City Star, 19 Nov. 2025

Word History

First Known Use

1597, in the meaning defined at sense 1

Rhymes for horseradish

• kaddish
• radish

Kids Definition

horseradish

noun

horse·​rad·​ish ˈhȯrs-ˌrad-ish 

-ˌred-

1

a

: a tall coarse white-flowered herb related to the mustards

b

: the sharp-tasting root of the horseradish

2

: a strong seasoning made from the root of the horseradish