What part of speech is park?

"Park" can be several parts of speech, depending on how it's used in a sentence:

* Noun: This is the most common use, referring to a public green space. Example: "Let's go for a walk in the park."

* Verb: This describes the act of stopping a vehicle. Example: "Please park your car in the driveway."

* Adjective: This describes something related to a park. Example: "We went to a park ranger's talk."

To determine the part of speech, you need to look at how the word is used in the context of the sentence.