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horseradish

American  
[hawrs-rad-ish] / ˈhɔrsˌræd ɪʃ /

noun

  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.

adjective

  1. of or containing ground horseradish as a flavoring.

    brisket of beef with horseradish sauce.
horseradish British  
/ ˈhɔːsˌrædɪʃ /

noun

  1. a coarse Eurasian plant, Armoracia rusticana, cultivated for its thick white pungent root: family Brassicaceae (crucifers)

  2. the root of this plant, which is ground and combined with vinegar, etc, to make a sauce

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of horseradish

First recorded in 1590–1600; horse + radish

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One recipe I’ve been quietly workshopping in anticipation of cooler weather is a beef-and-mushroom stroganoff with a horseradish cream sauce.

From Salon • Sep. 2, 2025

My fellow Slatesters have also noticed their favorite products disappearing from shelves: lemon pepper seasoning, frozen cioppino seafood stew, frozen yogurt, horseradish potato chips, and more.

From Slate • Jul. 24, 2024

Mustard is a part of the Brassica family which includes broccoli, cabbage, and horseradish -- spicy and bitter vegetables.

From Science Daily • Apr. 22, 2024

As he carried chicken corn soup, horseradish and shoofly pie to his vehicle, Olivio recalled how the Amish people seemed less welcoming at his first Gordonville sale about 40 years ago.

From Seattle Times • Mar. 12, 2024

As soon as our gazes met, her mouth puckered as if she had swallowed a spoonful of horseradish.

From "The City Beautiful" by Aden Polydoros

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.