What part of speech is waver?

"Waver" can be a few different parts of speech depending on how it's used:

* Verb: This is the most common usage, meaning to shake or tremble, or to become unsteady or hesitant.

* Example: "The candle flame wavered in the breeze."

* Example: "He wavered for a moment before making his decision."

* Noun: This is less common, and refers to an act of wavering or a feeling of uncertainty.

* Example: "There was a waver in her voice as she spoke."

Let me know if you have a specific sentence in mind and I can help you determine the part of speech!