noun, often attributive
\ˈōt \

Definition of oat 

1a : any of several grasses (genus Avena) especially : a widely cultivated cereal grass (A. sativa)

b : a crop or plot of the oat also : the seed of an oat usually used in pl. but singular or plural in construction

2 archaic : a reed instrument made of an oat straw

feel one's oats

: to act in a newly self-confident and often self-important manner

Illustration of oat

Illustration of oat

oat 1a

Examples of oat in a Sentence

Recent Examples on the Web

Add the coconut milk powder, coffee, baking soda, and oat flour, and blend on level 1 for one minute until a thick batter is formed. Vitamix, Bon Appetit, "Granola Crumb Cookies," 11 June 2018 To a large bowl, add the oat flour, remaining 1 cup of oats, tahini, maple syrup and flax seeds. NBC News, "What you should eat before a workout," 6 June 2018 On the middle shelf, Hadid organizes all her beverages: coconut water, kombucha, San Pellegrino, Blueprint juices, and oat milk from Oatly. Jenna Rosenstein, Harper's BAZAAR, "This is Exactly What Bella Hadid Keeps in Her Fridge," 29 Oct. 2018 Gottlieb seems to be sympathetic: His agency has proposed enforcing its own labeling rules for milk, which could prevent producers of almond milk and oat milk from continuing to use the term. Umair Irfan, Vox, "“Fake milk”: why the dairy industry is boiling over plant-based milks," 31 Aug. 2018 Best coffee?A place that serves oat milk as a milk option. Katherine Lagrave, Condé Nast Traveler, "Maria Sharapova Answers 37 Questions About Travel," 27 Aug. 2018 Add the oats, zucchini and parsley, and stir to combine. Woman's Day Kitchen, Woman's Day, "End-of-Summer Meat Loaf and Roasted Potatoes," 27 Aug. 2012 But for those who want to cut back on carbs, there are Abbotsford farm cage-free eggs hard-boiled and peeled as well as a low-fat vanilla yogurt and blueberry parfait with cinnamon pumpkin seeds, chia, and whole grain-oat granola. Nancy Trejos, USA TODAY, "Amtrak revamps its food and beverage menu," 15 June 2018 Crunchy on the outside, but slightly crumbly inside, these rustic oat biscuits positively beg to be submerged in tea or coffee. Zahra Pettican, Bon Appetit, "11 Positively British Snacks to Order Online Before the Royal Wedding," 8 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oat.' 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 oat

before the 12th century, in the meaning defined at sense 1a

History and Etymology for oat

Middle English ote, from Old English āte

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Dictionary Entries near oat






oat cell


Statistics for oat

Last Updated

8 Dec 2018

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Time Traveler for oat

The first known use of oat was before the 12th century

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More Definitions for oat



English Language Learners Definition of oat

: a kind of grain that is widely grown

oats : the seeds of the oat plant used as feed for farm animals and in foods (such as bread and oatmeal) for people


\ˈōt \

Kids Definition of oat

1 : a cereal grass grown for its loose clusters of seeds that are used for human food and animal feed

2 oats plural : a crop or the seeds of the oat

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More from Merriam-Webster on oat

Rhyming Dictionary: Words that rhyme with oat

Spanish Central: Translation of oat

Nglish: Translation of oat for Spanish Speakers

Britannica English: Translation of oat for Arabic Speakers

Comments on oat

What made you want to look up oat? Please tell us where you read or heard it (including the quote, if possible).


to move with a clumsy heavy tread

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