herb
1 Americannoun
noun
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a seed-bearing plant whose aerial parts do not persist above ground at the end of the growing season; herbaceous plant
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any of various usually aromatic plants, such as parsley, rue, and rosemary, that are used in cookery and medicine
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( as modifier )
a herb garden
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a slang term for marijuana
Other Word Forms
Etymology
Origin of herb
1250–1300; Middle English herbe < Old French erbe, herbe < Latin herba
Explanation
What do food, medicine, and perfume have in common? Well, they all can be created from herbs. An herb is a plant that has a soft rather than a woody stem, and it tends to have a unique taste or smell. There are many kinds of plants, but one that you've likely seen mentioned on a menu or ad for a medical treatment is the herb. Herbs are distinguished from other plants by their stem, which does not become permanent and woody; instead, it stays soft. Many herbs are used in cooking, such as basil and thyme, because they add flavor to foods. Many herbs, like ginseng and chamomile, are used in tea and are believed to be good for your health.
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.
The meal began with a garden herb velouté paired with a hearts of palm salad, followed by an ravioli dish featuring herbs from the White House garden.
From BBC • Apr. 28, 2026
In the kitchen, Kai rolls out dough for buckwheat brioche bread paired with herb butter.
From Los Angeles Times • Mar. 2, 2026
AGZ contains the herb ashwagandha along with magnesium, the spice saffron and more than a dozen other ingredients.
From The Wall Street Journal • Dec. 29, 2025
Although classified botanically as a vegetable, garlic is commonly used as both an herb and a spice.
From Science Daily • Dec. 8, 2025
She must have a certain type of herb that was not in her kit.
From "Redwall" by Brian Jacques
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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.