What part of speech is office?

"Office" can be multiple parts of speech depending on how it's used in a sentence:

* Noun: This is the most common use. It refers to a place of work, a specific room or building where business is conducted.

* Adjective: It can be used as an adjective to describe something related to an office or official duties. Example: "She held an office meeting."

* Verb: Less common, but it can be a verb meaning to hold an official position or to perform a specific task. Example: "She offices in the main building."

So, the specific part of speech for "office" depends on its context within a sentence.