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Oat
The oat (Avena sativa), sometimes called the common oat, is a species of cereal grain grown for its seed, which is known by the same name (usually in the plural, unlike other cereals and pseudocereals). While oats are suitable for human consumption as oatmeal and rolled oats, one of the most common uses is as livestock feed. Oats are a nutrient-rich food associated with lower blood cholesterol when consumed regularly.Avenins present in oats (proteins similar to gliadin from wheat) can trigger celiac disease in a small proportion of people. Also, oat products are frequently contaminated by other gluten-containing grains, mainly wheat and barley.
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Barley
Barley (Hordeum vulgare), a member of the grass family, is a major cereal grain grown in temperate climates globally. It was one of the first cultivated grains, particularly in Eurasia as early as 10,000 years ago. Barley has been used as animal fodder, as a source of fermentable material for beer and certain distilled beverages, and as a component of various health foods. It is used in soups and stews, and in barley bread of various cultures. Barley grains are commonly made into malt in a traditional and ancient method of preparation.
In 2016, barley was ranked fourth among grains in quantity produced (141 million tonnes) behind maize, rice and wheat.
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Oat (noun)
Widely cultivated cereal grass, typically Avena sativa.
“The oat stalks made good straw.”
“The main forms of oat are meal and bran.”
“World trade in oat is increasing.”
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Oat (noun)
Any of the numerous species, varieties, or cultivars of any of several similar grain plants in genus Avena.
“The wild red oat is thought to be the ancestor of modern food oats.”
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Oat (noun)
The seeds of the oat, a grain, harvested as a food crop.
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Oat (noun)
A simple musical pipe made of oat-straw.
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Barley (noun)
A cereal of the species Hordeum vulgare, or its grains, often used as food or to make beer and other malted drinks.
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Oat (noun)
an Old World cereal plant with a loose, branched cluster of florets, cultivated in cool climates and widely used for animal feed.
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Oat (noun)
the grain yielded by the oat plant, used as food
“porridge oats”
“oats are great health value”
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Oat (noun)
used in names of wild grasses related to the cultivated oat, e.g. wild oat.
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Oat (noun)
an oat stem used as a musical pipe by shepherds, especially in pastoral or bucolic poetry.
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Barley (noun)
a hardy cereal with coarse bristles extending from the ears, cultivated especially for use in brewing and stockfeed.
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Barley (noun)
the grain of barley.