What part of speech is the word spiral?

The word "spiral" can be several parts of speech depending on its use in a sentence:

* Noun: A shape that curves and twists around a central point. *Example: The staircase was a beautiful spiral.*

* Verb: To move in a spiral shape. *Example: The dancers spiraled across the stage.*

* Adjective: Shaped like a spiral. *Example: The spiral staircase was a work of art.*

Let me know if you have a specific sentence in mind, and I can tell you the part of speech for "spiral" in that context!