Widely cultivated cereal grass, typically Avena sativa. Example: The main forms of oat are meal and bran.
Any of the numerous species, varieties, or cultivars of any of several similar grain plants in genus Avena. Example: The wild red oat is thought to be the ancestor of modern food oats.
(usually as plural) The seeds of the oat, a grain, harvested as a food crop.
A simple musical pipe made of oat-straw.
A mass of oat plants (genus Avena, especially Avena sativa). Example: Oats are in the north corner of the farm.
Seeds of an oat plant, especially prepared as food. Example: Oats are good for you.
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