on·​ion | \ ˈən-yən How to pronounce onion (audio) \

Definition of onion

1 : a widely cultivated Asian herb (Allium cepa) of the lily family with pungent edible bulbs also : its bulb
2 : any of various plants of the same genus as the onion

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Other Words from onion

oniony \ ˈən-​yə-​nē How to pronounce oniony (audio) \ adjective

Examples of onion in a Sentence

The recipe calls for chopped onions. He is growing onions in the garden this year. The recipe calls for chopped onion.
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Recent Examples on the Web Other types onion, white, yellow and sweet also could be contaminated. Susan Selasky, Detroit Free Press, "Salmonella outbreak linked to red onions, health officials warn," 1 Aug. 2020 Three days later and there was not a potato or onion here. Gabriel Kinder, CNN, "When a man heard that farmers were destroying unsold produce, he arranged for trucks to deliver 3 million pounds of it to food banks," 1 Aug. 2020 State health officials say the source of the salmonella is Thomson International, Inc., an onion supplier in Bakersfield, California. oregonlive, "76 cases of salmonella in Oregon linked to red onions," 1 Aug. 2020 While lentils are cooking, quarter tomatoes, dice cucumber, bell pepper and onion and place in a large bowl. Luann Gibbs, The Enquirer, "Cooking at home a lot? Cool off with this summer lentil salad," 31 July 2020 Goldman, who breeds carrot, beet and onion varieties, often ships seeds to other countries. Jordan Nutting, Milwaukee Journal Sentinel, "Why are officials worried about packages of seeds in the mail? They might be invasive species," 31 July 2020 Greenbaum usually ordered the reuben and onion rings, the latter sliced, battered and fried in-house, all crispy and irregular. Tim Carman, Washington Post, "The Post Pub survived D.C.’s ups and downs for 43 years, but it couldn’t survive a pandemic," 3 July 2020 Get a sampler platter on the side, loaded with cheese sticks, stuffed jalapenos, onion rings and breaded zucchini. Brandi Addison, Dallas News, "Where to find the best fried chicken in Allen on National Fried Chicken Day," 2 July 2020 Add onion and celery, saute 5 minutes, add the garlic and continue to saute 3 minutes. cleveland, "Celebrate Bastille Day with this delicious mussels dish," 10 July 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'onion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of onion

14th century, in the meaning defined at sense 1

History and Etymology for onion

Middle English, from Anglo-French oignon, from Latin union-, unio

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Time Traveler for onion

Time Traveler

The first known use of onion was in the 14th century

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Statistics for onion

Last Updated

5 Aug 2020

Cite this Entry

“Onion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/onion. Accessed 11 Aug. 2020.

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More Definitions for onion


How to pronounce onion (audio)

English Language Learners Definition of onion

: a round vegetable that is usually white, yellow, or red and has a strong smell and taste


on·​ion | \ ˈən-yən How to pronounce onion (audio) \

Kids Definition of onion

: the roundish edible bulb of a plant related to the lily that has a sharp odor and taste and is used as a vegetable and to season foods

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More from Merriam-Webster on onion

Rhyming Dictionary: Words that rhyme with onion

Spanish Central: Translation of onion

Nglish: Translation of onion for Spanish Speakers

Britannica English: Translation of onion for Arabic Speakers

Britannica.com: Encyclopedia article about onion

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