1. annual grass of Europe and North Africa; grains used as food and fodder (referred to primarily in the plural: `oats')
2. seed of the annual grass Avena sativa (spoken of primarily in the plural as `oats')
Sentences with oat as a noun:
- The oat stalks made good straw.
- The main forms of oat are meal and bran.
- World trade in oat is increasing.
- The wild red oat is thought to be the ancestor of modern food oats.