What part of speech is square?

"Square" can be several parts of speech, depending on its use in a sentence:

* Noun: A four-sided figure with four right angles. Example: "The room was perfectly square."

* Adjective: Shaped like a square. Example: "She wore a square-shaped scarf."

* Verb: To make something square. Example: "The carpenter squared the lumber."

* Adverb: Exactly. Example: "He stood square in front of the judge."

Let me know the sentence you're working with, and I can tell you the specific part of speech!