- a cereal grass, Avena sativa, cultivated for its edible seed.
- the seed of this plant, used as a food for humans and animals.
- any of several plants of the same genus, as the wild oat.
- a musical pipe made of an oat straw.
- feel one's oats, Informal.
- to feel frisky or lively.
- to be aware of and use one's importance or power.
- wild oat (def. 3).
- an erect annual grass, Avena sativa, grown in temperate regions for its edible seed
- the seeds or fruits of this grass
- any of various other grasses of the genus Avena, such as the wild oat
- a flute made from an oat straw
- feel one's oats US and Canadian informal
- to feel exuberant
- to feel self-important
- to have sexual intercourse
- to indulge in adventure or promiscuity during youth
