What part of speech is pie?

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

* Noun: This is the most common usage. It refers to the baked dish itself: "I love apple pie."

* Verb: This is less common, but it means to enclose something in a crust: "She pied the teacher with whipped cream."

Let me know if you have a specific sentence in mind, and I can help you figure out which part of speech it is!