What part of speech is Cereal?

"Cereal" can be two different parts of speech depending on how it's used:

* Noun: When referring to the breakfast food itself, it's a noun.

* Example: "I ate a bowl of cereal for breakfast."

* Adjective: When used to describe something related to grain, it's an adjective.

* Example: "The farmer harvested a bountiful cereal crop."

Let me know if you'd like more examples!