Oats

What is Oats?

Oats definition and meaning on Dictionary terms:
noun

a cereal grass, Avena sativa, cultivated for its edible seed.
Usually oats. (used with a singular or plural verb) 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.
Archaic. a musical pipe made of an oat straw.