1. plural of oat
2. (plural only, uncountable) A mass of oat plants (genus Avena, especially Avena sativa).
- Oats are in the north corner of the farm.
- Usually oats is last in a rotation and does not get the fertilizer that other feed grains get.
3. (plural only, uncountable) Seeds of an oat plant, especially prepared as food.
- Oats is a heart-healthy breakfast food.
- Oats are good for you.