Can a noun be describing word?

It's not quite accurate to say a noun is a "describing word." Nouns are the names of people, places, things, or ideas. They are the subjects or objects of sentences.

Adjectives are the words that describe nouns.

Here's an example:

* Noun: Cat

* Adjective: Fluffy

The adjective "fluffy" describes the noun "cat."

However, there are a few ways nouns can function in a descriptive way:

* Appositives: A noun that renames or explains another noun. Example: "My dog, a golden retriever, loves to play fetch."

* Compound Nouns: Two nouns combined to make a new noun that describes something. Example: "Fire truck."

* Figurative Language: Nouns can be used metaphorically to describe something. Example: "Her voice was a song."

So, while nouns aren't technically "describing words," they can play a descriptive role in a sentence in various ways.