- a hardy, widely grown cereal grass (Avena sativa)
- the edible grain of this grass
- any of various related grasses (genus Avena), esp. the wild oats
- Obs. a simple musical pipe made of an oat stalk
Origin of oatMiddle English ote ; from Old English ate: not found in other Germanic languages: probably ; from Indo-European base an unverified form oid-, to swell
feel one's oats⌂ Slang
- to be in high spirits; be frisky
- to feel and act important
- often oats (used with a sing. or pl. verb)a. Any of various grasses of the genus Avena, especially A. sativa, widely cultivated for their edible grains.b. The grain of any of these plants, used as food and fodder.
- A musical pipe made of an oat straw.
Origin of oatMiddle English ote, from Old English ate.
(countable and uncountable, plural oats)
- (uncountable) 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.
- (countable) 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.
- (usually as plural) The seeds of the oat, harvested as a food crop.
Middle English ote, from Old English Äte, from Proto-Germanic *aitÇ (“swelling"), from Proto-Indo-European *hâ‚eid- (“to swell"). For sense development, compare Ancient Greek oÃdax 'unripe fig' from oÃ®dos 'swelling, tumor'.